11000 mi

Rough idle-not repaired

30000 mi

Replace radiator and all lines and seals. A result of the leak in the transmission warmer that earlier caused a transmission replacement.

38000 mi

Replaced injectors. Replaced catalytic converter.

9000 mi

After an initial repair attempt, the car continued to run unevenly, bucking intermittently. Dealer seemed very concerned and referenced several calls to Acura technical services. Dealer replaced fuel pump under warranty. So far, so good.

15000 mi

corrected engine noise

25350 mi

Car would surge periodically when driving at low speeds (i.e. below about 15 mph). Acura apparently had a service bulletin on this issue and the repair involved a simple software update.

26000 mi

After waiting at stop light/sign the auto start would not start the engine again and the car would have to be started by pushing the start button.

28000 mi	Acura TB wants to inspect the hoses and replaced them. Then they wanted to replace the radiator altogether.
34000 mi	Replaced hi pressure fuel pump under TSB

25000 mi

coolant fan vibration

2480 mi

Vehicle stuck in ACC mode when trying to power down

102000 mi US $20

Rear main seal leaking.

15400 mi

Timing belt chirp. Repair not successful. Chirp still present.

50000 mi

chassis rattle; found loose heat shield near cat converter

29000 mi

Engine and emissions warning light. Dlr could not find problem other than updating the engine software. They kept it for a week to test recurrence. A new loaner was provided. Problem solved.

66960 mi $500

engine supports

14800 mi

Brushing noise from engine compartment. Dealer said bracket was coming into contact with timing belt. Dealer replaced bracket which was reportedly dimensionally out of specification and timing belt

4000 mi

Emission control error light came up. Oxygen sensor was found faulty and replaced by dealer under warranty.

17000 mi

Every warning message that could appear did, and I couldn't drive faster than 30 mph, on the freeway, until turning off the car and restarting it.

11000 mi	Truck made noise and had a "shudder" at low speeds when maintaining speed. They changed out a cover in the engine which they believed was the problem (other reports). I have not experienced the problem since.
104400 mi	After paying $3000 for required maintenance I drove about 400 miles. The engine crank bearing on cylinder 5 seized and melted. An entire new engine was required.

15000 mi	Pulley/shim assembly was loose and squeaking and needed to be replaced.
27000 mi	Engine timing belt making noise - required TSB shim repair.
53000 mi	Engine belt making brushing noise. Took about a week to trouble shoot and fix, with various parts that had to be ordered.

9000 mi

Unusual engine noise dealer said is normal. Not present until 12000 miles. With so many problems with a new mdx I took my losses and got rid of it. I will never ever again purchase another Acura vehicle and have convinced 3 others not to.

15000 mi

Misaligned water pump pulley, causing engine noise (chirping). Dealer added a shim and replaced the belt.

36580 mi

Idler pulley noise. Idler pulley replaced.

99200 mi C $880

Rocker arm oil sensor

83000 mi US $1000

Engine mounts

25000 mi

There was a light indicating the fuel cap may not be tightly closed even though we had 3 different people tighten it.

24000 mi

Replaced timing belt pulley shim

72000 mi US $155

Car lost power -- couldn't find an error. Reset warning and cleared problem. Just have to wait for it to happen again they said.

120000 mi

Check engine light and AWD light were on. Had come one twice before, but gone out both times before I got to the dealer. First trouble code indicated fuel mix was reading either too lean or too rich. Dealer replaced EGR value to clear that code. Second trouble code indicated fuel mix was reading too lean. After discussion with the technical service (engineering) department, dealer replaced the throttle body gasket. Turns out gasket had failed. This was over the 4th of July holiday weekend, so repairs weren't done until about a week after I dropped the car off. (They provided a loaner). I paid ZERO out of pocket for this repair, since my mileage was just under the 120,000 limit for the extended warranty I bought with the car.

67000 mi

Car lurched a little at around 40 miles per hour. Diagnosed as a software issue, dealer did a software update and flushed the transmission at no charge. Totally fixed the problem

43000 mi

Sometimes after refuel, it would show warning fuel cap not on. Probably replaced a sensor.

16100 mi

Oil consumption problem maybe from oil filter and crush washer at drain.will watch

68000 mi US $254

Oil lube and filter, tire rotation and four wheel alignment.

150000 mi US $290

Car burning excessive amounts of oil. Valves and pistons replaced under recall. The problem returned again 9 months later.

111000 mi US $105

Belt tensioner broke, causing loud noise. Dealer had recently done the belt change service, so dealer charged us only for tensioner part at cost. No labor charge.

125000 mi US $1500

Hoses. Oil change.

5000 mi US $20

Car vibrates heavily as it starts to move from a standstill while turning steering wheel.

7000 mi

engine is dying or shutting off after starting

145000 mi US $5000	The engine was rattling for a long time and heavily burning oil. One of the valves ended up with no compression and I had to replace the engine. I also had them change the timing belt, water pump and spark plugs at this time.
169000 mi US $1200	I had two valves blow on the replacement engine I had put into the vehicle. I had them rebuild the one side.

78000 mi

Car wouldn't idle. Replace throttle assembly

29000 mi C $300

Leaking of fluid. Replacement of a part - not sure what part.

126000 mi	Car was burning oil excessively (1 qt/1000 mi). Acura recently extended the warranty for this problem. Pistons and rings replaced by dealer under extended warranty.
151800 mi US $800	Replaced radiator fan

102000 mi US $450

Water pump and timing belt

87000 mi US $2000

2) oil pump seal #2 and rear main seal #3 leaking - replace engine oil pump & replacing rear, main torque converter and axle seals

103000 mi US $45

oil change. I found my car oil to be dry to the bone and an idiot light flashing after 4000 miles. when i broke hard or made a sharp turn. No visible leaks or burning of oil but believe it suspect of an oil consumption issue. Second time in two oil changes that i have had low to no oil

99000 mi US $1290

Squeaking noise when cold. Replaced serpentine belt, tensioner, and 4 AC compressor mounting flange bolts, per Acura TSB 10-035, $174.

59000 mi

2 software updates PCM.

24800 mi	Engine pinged occasionally when starting to go from a complete stop. Explanation from dealer was a software issue and Honda was working on a fix. Finally received a fix a year and a half later.
31620 mi	Fuel economy significantly decreased after transmission software update to correct "slipping" feeling (recall).

8000 mi US $275	Tighten Gas Cap warning light keeps coming on and has since the car was new. Complained again.
20000 mi	Tighten Gas Cap warning light kept coming on.

41220 mi	Engine started excessive oil consumption in the last 6 months
47120 mi C $200	excessive oil consumption monitoring continuance
48360 mi	Continued excessive oil consumption (approximately 1 liter per 3000 km./ 1 us qt per 1800 miles) , monitoring continuance. Manufacturer continued insistence that this is normal.
61380 mi C $30	regular oil & filter change. Auto continues to consume oil between changes. noticed that since I have moved away from synthetic oils and back to mineral oil there is progressively less oil consumption between oil changes.

26300 mi

Oil being consumed, 1qt per 2200 mi.

87500 mi US $50

Consumed all the oil it came with plus the 5quarts I put into it over 5000 miles. Changed viscosity from 5w20 to 5w30 to mitigate.

176000 mi US $115

Oil pressure switch replaced. Low oil pressure and level warnings displayed in car. Oil level was fine when checking after seeing warnings displayed.

97000 mi US $900	Replace timing belt, water pump and tensioner. Replace coolant
10400 mi US $70	replace spark plugs
13300 mi US $800	Warning lights on, check emission system, check engine, engine misfire. Clean entire fuel system and replace spark plugs. oil pan bolt stripped, constant leaking. Replace oil pan and gasket.
137000 mi US $200	Bank 2 sensor 1 Oxygen sensor bad. Replace oxygen sensor.
140000 mi US $25	replace pcv valve
146000 mi US $100	squealing sound heard at start up, especially when wet out, persists for several minutes before mostly going away. Replace serpentine belt and belt tensioner

98580 mi C $150

Lines to power steering pump, seals replaced, causing air leak to pump and producing a whining noise.

123000 mi

Timing Belt, Water Pump, leaking Oil Pump

114000 mi US $1900

Timing belt frayed, was the original belt which is recommended to change at 100K miles. Complelted Timing Belt/Water Pump combo service

102000 mi US $350

Serpentine belt

11000 mi

Throttle replaced at 5600 miles and then at 10800 - car shut down with no reason again. Dealer said it's a software update problem - comes and goes, nobody knows.

49500 mi US $90

Loose heat sink caused humming noise at specific rpm range

38400 mi	Cold start up noise (brief whirring/squeal) when extremely cold as soon as key is turned. Dealer unable to determine cause based on video provided by owner of noise or after 2 over night sits at the dealer (not duplicated).
38800 mi US $50	Squeak/chirp from passenger side of engine bay. Accessory belt and tensioner replaced.
77200 mi US $130	Oil pressure sensor going bad (check oil light on), Oil levels ok. Replace oil pressure sensor.
92800 mi US $600	Oil pump leak at time of TB replacement service. Replaced oil pump with water pump and TB maintenance service.

26000 mi US $80

Complete lack of throttle/engine response suddenly at highway speed. Multiple error codes. Dealer cleared multiple error codes but did not find a problem.

136000 mi US $289

O2 sensor was replaced. Took 2 hours to do.

60760 mi	Low oil level would flash on driver information display occasionally, and then go out, even though oil level was OK on dip stick.
117490 mi C $4000	Oil leak on front of engine.

7000 mi	Throttle body replaced due to problems with throttle body sensor malfunctioning. This in turn led to stalling, racing, and engaging "limp home" mode.
9000 mi	Computer system failure. Complete replacement of ECU.
29000 mi	Throttle position sensor failure, in "Limp Home Mode"

77000 mi US $200

One of the sensors measuring exhaust wore out and had to be replaced. Mechanic said it was standard to have to replace such sensors occasionally.

98580 mi	replaced fan belt and heat shield
145700 mi C $200	Check for coolant leak

116000 mi US $70

Exhaust noise

54560 mi C $54

#5 cyl coil pack went bad causing engine light , shaw light and emission lights to come on . Engine had misfire . checked with obd2 code reader advised code for cyl 5. Pulled connection on #5 coil to determine any difference in engine sound while engine running. also swapped out #5 coil pack with cyl 6 and tested it to determine that coil was indeed bad. Cost of new ignition coil $54.00 cdn. replacement was easy maybe 5 mins.

106000 mi US $1400

Replaced timing belt, water pump, hoses, spark plugs

57000 mi	Check engine and oil light, replaced sensors. All seemed to work for a while, then came back but not as bad...just warning lights.
73400 mi	Another light came on for check engine oil

60000 mi US $2100

Engine oil leak. Also replaced timing belt.

44640 mi	Chirp noise coming from pulley and belt (front of passenger side) whenever temperature was cold. Noise definitely more noticeable as you accelerate. Took it to dealership for pulley/belt replacement. They have a TSB on this (known issue)
79240 mi C $40	Heat shields beneath car was loose
81840 mi C $600	Some belt needed to be replaced which appears to be the cause of the steering whine I recently began to hear. I was told the belt was "glazing"

69500 mi US $300

serpentine belt tensioner assembly squeaks when engine is cold. mechanic advised to replace before pulley siezes

109700 mi US $2000

Replace leaking oil pump and timing belts

107000 mi US $200

Engine Mount rt side

28000 mi	Gas cap light comes on. Gas cap is on.
97810 mi US $750	replaced one failed Oxygen sensor on Bank 1 Sensor 1
135000 mi US $1867	exhaust gasket and flange

52360 mi C $150	Replaced drive belt, noisy
99820 mi C $400	Check engine light came on, as well as check SH-AWD. Spent $80 on Honda to diagnose...faulty rear bank O2 sensor...replaced the following week for $400 (part and labour)
120900 mi C $150	O2 sensor error code from bank2sensor1. ordered a Bosch replacement online (looked a little different than OEM but seems to be working OK)

95000 mi US $400

Oxygen Sensor

59500 mi US $210

Oxygen sensor

106300 mi US $250	Oil pressure sensor failed, got low oil light even with plenty of oil. $25 part, $200 in labor. I also had a slow leak in a tire that had to be patched.
151000 mi US $1525	Re-sealed oil pump

143160 mi C $3000

Radiator blew injecting fluid into transmission.

123500 mi US $264

Had to change the #1 Oxygen Sensor.

12000 mi

I did have a code that popped up, but after reading and clearing with my code reader, with the car off, I have not seen this issue again. P0455: Evaporative Emission System Leak. Gas cap seemed tight. The code wouldn't clear until I turned the engine off.

79300 mi US $500	"Firewall shield" replacement due to external damages/corrosion of bolts.
88000 mi US $600	tensioner
104000 mi US $3000	water pump, timing belts, hoses,

25300 mi C $90

Got warning message to check engine emission check. Dealer performed diagnostic check and found intake manifold tuning valve issue.Found poor connection and problem fixed.

121000 mi US $120	O2 sensor on Bank 2 needed repalcement
125722 mi US $1290	Check Engine light. Scanned it and pointed to a defect Cat. Front Cat Bank 1 bad. Dealer replaced.

58280 mi

Went in for B1 service and leak was discovered at rear main seal. Had to go in to shop total of 3x-shampoo, confirm leak, 2 day repair.

100000 mi US $270	Emission sensor
106000 mi	Several days after the dealer replaced the Timing belt and water pump a intermittent tapping noise started coming from the engine. The left a screw loose during the install.

110800 mi US $60

Engine ticking noise after warm up, Dealer stated could not duplicate the problem after three days

58200 mi US $454

Oil pressure switch failed

150000 mi US $300

The heat shield made a weird rattle sound, so we had it replaced.

76000 mi US $50

Belt tensioner was worn

123900 mi

Loose forward exhaust heat shield. Rattle at 1800 rpm. Put car on lift and found loose shield by hand. Expensive to access part for replacement. No parts replaced.

47000 mi US $400

bad gas, needed to drop tank, clean, replace fuel filter, took back to shop after plugs fouled, replaced 6 plugs and one ignition coil after plug carbon caused more problems

57660 mi

corrected engine roughness at low speeds

70900 mi US $700

Muffler repair

84940 mi C $2000	Timing Belt, Water Pump, Serpentine Belt
110980 mi C $1000	Valve adjustments and spark plug and coil replacement
126480 mi C $1200	Replaced radiator.

149000 mi US $450

Replaced the belt tension pully

15500 mi

16120 mi	Check engine light - suspected bad fuel.
16120 mi	Engine light came on several times. Problem blamed on possible bad fuel since multiple cylinders showed misfires on computer.

18000 mi	Problem with the electronic sensor for oil level. Occasionally reads low on oil even when it's full. I've been told their's a factory bulletin on this issue.
23000 mi	Error message-tighten gas cap.

5000 mi

The "Tighten Fuel Cap" warning light came on. This was the second time so I took it to the dealer about two weeks ago. I was told that this is a chronic problem and that they would replace my gas cap if it persisted. So far, it hasn't happened again.

45000 mi

Oil Pressure sending unit defective - improperly showing low oil. Replaced sending unit.

59000 mi

The exhaust heat shield got loose and was rattling. A new bracket was installed.

67700 mi	Oil pressure light on; replaced oil sensor/switch.
89400 mi	Emissions and SH-AWD error codes. Drove vehicle to dealer, who replaced the oxygen sensor.
102000 mi US $100	Replaced broken motor mount.

69000 mi

the oil pressure switch was sending false "low oil level" to the onboard message center. tsb, resolve was to replace the oil pressure switch. covered under extended warrenty.

75000 mi US $450	Some type of belt was loose and a part had to be replaced...it was making a noise that indicated the problem existed.
99000 mi US $400	When replacing timing belt it was noted that the 'tensioner' was leaking, so it was replaced.
110000 mi	Got a "check emission system" warning light. Was told by dealer that catalytic converter not functioning properly. Have scheduled a separate appointment to fix in 2014.

61000 mi	3rd gear was sticking and evenutally loss forth gear. Problem was the 3rd gear pressure switch was stuck open. Replaced sensor under warranty Replaced faulty pressure switch on 3rd gear in transmission. Covered under warranty.
65500 mi US $285	Oil sensor went bad providing false low oil pressure reports
82000 mi US $360	Replaced EGR valve that was clogged and clean out carbon in lines.
175000 mi US $200	Replaced EGR Valve, cleaned all ports, replaced oil pressure switch, replaced bank 1 O2 sensor, Replaced all Spark Plug seals and valve gaskets

32700 mi

Vehicle (with Michelin X-Ice tires) became stuck with front wheels in six inches of snow and rear wheels on dry pavement. Only front drivers-side wheel would turn. Dealer tested and found SH AWD malfunction. Replaced power train control module.

35500 mi	Water pump and timing belt replaced
106000 mi US $50	One of the muffler heat sinks became disconnected due to its fastener rusting. Dealer re-installed it.

132900 mi US $120	Engine coolant fan harness was loose
140000 mi US $116	Coolant System pressure check and replace air intake hose
128800 mi US $800	Timing belt

47000 mi US $280

Replaced battery, replaced faulty oil sensor (TSB B09-12, paid by dealer), replace a/c dryer relay to prevent battery drain.

97000 mi US $2391

#4 spark plug detonated. Pieces of spark plug and ignition coil sucked into engine. Engine short block and front head replaced. Received goodwill 70% Honda 30% me. Fault code P0420. Replaced Rear (bank 1) warm-up three-way catalytic converter per TSB 11-018

53000 mi

O2 senseor failed

31000 mi US $40	Shudder at 45MPH while in top gear on flat surface under light throttle.
37000 mi	Shudder at 45MPH while in top gear on flat surface under light throttle.

97000 mi US $500

Replaced Oil Pressure Sensor (TSB described issue), Front and Rear Brake Pads,

30000 mi	Dealer replaced faulty throttle body.
124200 mi	Replaced catalyst converter under warranty because of emission light
126400 mi US $980	Belt tensioner replaced, because of squealing noise

48100 mi

Was receiving a low oil pressure warning, but oil level was fine. Issue was a faulty sensor which was replaced.

30000 mi	AWD SYSTEM WARNING LIGHT ON BRIEFLY.
36000 mi	Warning light for SH-AWD system repeatedly activated. SH-AWD control unit malfunctioning and replaced.
37000 mi	SH-AWD warning light activation one week after in shop for same problem. Then advised water caused or a bad connector. This time no heavy rain. Tech said Code: "Lost connection with VCM" (vehicle control module). Shop couldn't replicate. After 3 days in shop learned recurring problem with SH-AWD/VSA warning light could not be replicated. Over past 4+ weeks problem has not recurred.
48500 mi	Belt noise. Replaced belt and idler pulley.
49300 mi	Recurrent warning light for all wheel drive and vehicle stability assist. Multiple codes pulled. The techs believe the problem is in the wiring or connectors of the AWD and VSA systems. Moisture and corrosion ruled out. Battery replaced, didn't fix.
56000 mi	Replaced idler or tensioner pulley. Same repair done less than 12 mod. ago so dealer did not charge anything.
78000 mi	Check ignition electrical circuits. Open steering column to inspect and reconnect wires to ignition switch that had somehow come loose.
91000 mi	Two spark plugs were loose. I had only felt mild engine vibration.
50500 mi	Catalytic converter failed. Covered by Acura's special extended warranty on this part 100%.
130000 mi US $456	O2 sensor replaced

27000 mi	On a cold winter day during a snowstorm several warning codes came on immediately upon vehicle start-up. (SH-AWD error, VSC error, Emission system error) The vehicle would not exceed 20mph. The problem was a faulty throttle position sensor.
27000 mi	The radiator was leaking coolant onto the floor. The radiator was replaced.

105000 mi

Emission light on

54000 mi US $313	failed oxygen sensor
80000 mi US $1600	PO401 code, replaced EGR valve... $310
160000 mi US $250	Replace EGR valve $250. Adjust valves replace plugs $729

18000 mi

Faulty oil pressure sensor switch.

72000 mi US $450

Multiple maintenance lights came on. Oxygen sensor needed replacing. Location of sensor made replacement more costly.

139000 mi

The emissions system check light keeps coming on. A simple tightening of the gas cap results in the light going off in a few days. Other than being extremely annoying, no actual issues has occurred yet. The sharp increase in recurrence of this issue might indicate an impending sensor failure.

24650 mi

Gas Cap repaired, would not open when it was very cold outside. Replaced tire air pressure sensor. Check voice recognition for hands free phone.

115000 mi US $2000

Replaced spark plugs, spark plug coils, all 4 oxygen sensors. Flushed transmission, power steering, brake and differential fluids.

106000 mi US $450

Replaced drive belt and belt tensioner, the latter because of a strange noise.

123000 mi

Replaced Ignition Switch. Vehicle dies while driving from a low speed into a right-hand turn. Must shift to neutral and restart. The technician had it for three weeks, put 300 miles on it, has replicated the problem but has no solution. The ignition switch was replaced, but apparently not the problem. They did not charge us.

130000 mi US $57

Noticed a rattling noise at 1800 rpm when accelerating. Turned out to be loose heat shields on the engine bank catalytic converters. Mechanic said it was a common problem. Says its a big job to remove & replace because of the location. Said he had a fix using clamps that takes half an hour. Worked great. Sounds fine after a few weeks so far.

134000 mi US $370

Idler Pulley and Tensioner Pulley

127000 mi

Check engine oil alerts on the message system, engine oil level is fine. Faulty sensor, needs to be replaced. Have not done it yet but seems to reset itself.

88000 mi US $150

Gas tank cap.

104000 mi US $1500

timing belt

105600 mi US $900

Radiator had a hole in it.

125000 mi US $15

Tighten Fuel Cap message illuminated for one day. Tightening the fuel cap did not extinguish the light. Next, the Check Emmissions warning illuminated and remained on for several weeks. I replaced the fuel cap and the light went out.

77500 mi	oil gasket
108500 mi C $700	Seals

87300 mi

Accessory drive belt tensioner failed. Replaced. $70 labor and $136 for the part.

60500 mi	Engine oil level sensor Catalytic Converter
74000 mi US $132	Car would not start Chart Starting System warning displayed was a code related required update but issue occurred after update installed

51212 mi	Check Engine Oil Level light randomly flashing. First trip - Dealer unable to duplicate. Second trip - Found TSB for issue. Dealer ordered part. Agreed to do under warranty as goodwill. Third trip for repair pending.
55180 mi C $600	Was told it was O2 sensor, not fully trusting dealership. In shop for exhaust system recall, they replaced another o2 sensor. (CEL on.)
66340 mi C $600	Serpentine belt was making a noise. Advised by dealer that it was cracked and needed to be replaced.
82460 mi C $80	Dealer discovered oil leak and transmission fluid leak. Car only has 133k and has had dealer maintenance regularly. Dealer and head office covered repair under goodwill.
85440 mi C $120	Heat shields fell off or loose.
106020 mi C $200	Heat shields are constantly rattling but can't fix and not worth 4+ hours of labour to cut them off.

80000 mi US $300

O2 sensor was bad and was replaced.

66340 mi C $475

Check emissions systems notification came on. ERG valve replaced.

97000 mi

New Cat

100100 mi $700

Replaced timing belt along with the water pump, idler and tensioner rollers and serpentine belt. Also replaced the left side engine mount.

61000 mi US $385

Bad engine sensor...

65000 mi US $650

plus a terrible engine oil leak in the flywheel.

23340 mi $400

radiator water mixed with transmission fluid. Got overheated and stopped driving. Radiator pipes got corroded and started leaking to the oil cooling pipes inside

121000 mi

Replace oil pan and gasket.

234000 mi US $125

Broken motor mounts. Replaces front and side mounts. Front is a pita.

96000 mi US $500	Idler pulley for serpentine belt was whining and needed to be replaced (pulley worn out)
104000 mi	TSB for transmission reprogramming

84700 mi

Ticking noise from the engine that could not be replicated.

81000 mi

computer went out

44000 mi

software update for transmission....for "juddering" between 30-40 mph

98000 mi	Front and side Engine mount was found to have failed upon inspection. Timing belt tensioner was found to be worn upon inspection during timing belt replacement.
158000 mi US $1800	Oil pump seal leak.

45000 mi	Acura updated the software for the transmission.
66000 mi US $80	Check engine light went on. Scan codes suggested misfire on cyl#2, #3, and #5. Engine ran kind rough. Replace all the spark plugs and problem went away.
103000 mi US $50	Check engine light turned on and code suggested #5 cyl misfiring. Noticed the oil stain in #5 coil. Bought the coil from Amazon and replace the coil pack which has fixed the problem.

45000 mi US $600

Replace radiator

48360 mi C $43	Loud ticking from engine while running--diagnosed as piston slap. Replaced short block.
77500 mi	Automatic transmission (PCM) software was updated to minimize judder of the torque converter.

105000 mi US $250	Replaced engine mount upon recommendation of mechanic. Was shown part and one side was ripped and other side fatigued and starting to tear as well.
151000 mi US $360	Check Engine light came on, Diagnosis was rear bank oxygen sensor tripped the CEL.

37000 mi

Fan belt idler pulley went bad. Very noisy on vehicle startup and idling

62620 mi C $100

catalytic converters replaced

75000 mi

transmission computer reset

101000 mi

Throttle body and serpentine belt replaced due to loss of power and limp-home mode activation on highway.

105330 mi	side engine mount replaced
126448 mi US $915	Bank 1 (rear) catalytic converter replaced.

118000 mi US $550

I had the timing reset on the valves. After the tunes up from a few months ago the check engine light came on. This fix that problem and now runs smoother.

61060 mi C $100

Changed radiator and flushed transmission fluid and coolant. Problem was transmission fluid mixed with the radiator coolant and came out thru radiator over flow. Warranty covered the job entirely. Paid $100 for towing the car to dealer.

127500 mi US $800	Replaced motor mounts
130000 mi US $1200	Oil pump leak

170000 mi US $200	Crank shaft seal replaced Upper motor mount. It was starting to fail. It was noticed by mechanic when timing belt was changed.
224000 mi US $400	Radiator cracked had to be completely replaced

110000 mi US $400

Bad EGR valve located under the the intake manifold.

95000 mi US $600	Seals showing oil seeping .. no need to repair yet.
98000 mi	radiator leak

75300 mi US $450	Replaced one coil, all plugs.  Still needs idler tensioner replaced. Not bad for 9 years dealer-free.
77000 mi US $50	Replaced main serpentine belt, really a wear and tear item.
82000 mi US $500	Replaced radiator.

209800 mi US $3100

Serpentine belt replaced

67000 mi US $600

O2 Sensor, also had rear brakes and battery replaced

101500 mi US $200	Oxygen sensor relay failed - presented as check engine and VTM-4 lights with DTC codes for o2 sensor problems. Dealer swapped with the horn relay and sent me on my way.
117000 mi US $80	Accessory belt tensioner and new belt

116000 mi US $348

broken front motor mount

108000 mi US $4800

Complete engine failure

169000 mi US $1200

replaced broken engine mount oil pan drain plug leaking (threads stripped). rethread and replace plug

100000 mi US $80	Transmission had the software recall done that seemed to have fixed the problems that I had reported earlier.
173000 mi US $1300	Leaking fluid and had water pump replaced. Replaced timing belt and did other maintenance while things were taken off.
217900 mi US $450	Engine repair and maintenance

101000 mi	Transmission software update to address low-speed "juddering" Multiple cracked motor mounts
102000 mi US $1850	Replaced cracked motor mounts identified in earlier report

215000 mi US $300

Replaced ignition coil on one cylinder also put in 6 new spark plugs

96000 mi US $600	Engine light came on and was pointing towards a faulty reading from the throttle body. Entire throttle body was replaced.
97000 mi US $300	Radiator cracked and was replaced along with the thermostat.
110000 mi US $400	Tensioner was replaced. Serpentine belt slipped. Main pulley was replaced along with belt.

147000 mi US $500

check engine light came. mechanic replaced three coils and spark plugs.

163000 mi US $850	Major service including timing belt, water pump, fluids and 1 engine mount.
174000 mi US $300	Canister
195000 mi US $400	Valve adjustment
201000 mi US $400	Accelerator sensor replaced.

66400 mi US $818

Replace Side Engine Mount

120400 mi US $2600

Injectors issues. 4 out of 6 injectors through out the code and needed to be replaced according to a dealer.

87000 mi US $400	2 broken motor mounts
91000 mi US $1680	Engine oil leak from "rear seal" whatever that is

96000 mi

Transmission software reflash

151000 mi US $140

The engine light was on and off,the code was the oxygen sensor,so i replaced the o2 sensor.

130000 mi US $450

Air Fuel sensor required replacement

177940 mi C $5	Replace coils
189100 mi C $950	Replace erg module

84420 mi C $220

Freak accident - radiator leaking from rock or something which struck it while driving on freeway. Replaced radiator.

10230 mi C $500

Radiator blew causing the transmission fluid and coolant to intermingle. Potentially devastating as coolant will fry the transmission. Rad replaced and transmission flushed.

208000 mi US $488

Repair oil leak engine oil pan

161400 mi US $340

Radiator line ruptured, had to replace Radiator

160 mi

Multiple cylinder misfires. Dealer could not reproduce, but replaced coil as the likely source of the problem. Cracked cylinder, and oil leak. Repair estimate $3500

192200 mi US $800

original radiator developed small leak

163000 mi US $700

Timing belt and water pump

296900 mi US $3000	Replaced front and rear catalytic converters. Replaced valve cover gaskets and adjusted valves.
305000 mi US $750	The auxiliary fan had melted off it's axle and the radiator had a hole in the bottom. Both were replaced.
321000 mi US $2000	Timing Belt, Water Pump, Adjuster, Idler, and Coolant Reseal front engine plate. Crankshaft seal, spool valve filter, Oil pump gasket, Oil P/U tube o-ring, Camshaft solenoid Gasket

118500 mi US $3000

2 engine mounts replaced

105000 mi US $800	Replaced 2 of 3 motor mounts
113000 mi US $670	2 of the engine mounts needed replacing

100000 mi US $1000

Front and passenger side motor mounts bad

165000 mi US $1200	On cold mornings, whirring sound like a pulley belt. Dealer said belt was "glazed" and replaced all belts including the main belt that needs to be replaced every 105k miles. Seemed excessive since only 167k. Didn't fix cold morning noise.
190000 mi US $600	Heater to the front broke 600 to fix
226000 mi US $500	Hit some standing water twisted a plate that covers and protects the drivetrain. Deformed plate had broken loose and was rattling on exhaust system. Dealer either bent back or replaced plate

105000 mi US $800	Check Engine Light came on. Engine required adjustments to the engine valve gaps. Had noticed rough idling before service. It's fine now.
160000 mi US $650	Replaced one broken engine mount

110300 mi	Replaced oxygen sensor.
153140 mi C $550	cracked radiator replaced

92000 mi US $100

Gauge said running hot. Gauge faulty but not replaced. Temp light still works. Flush radiator and condenser and changed thermostat.

101700 mi US $695

The intake / exhaust valves needed adjustment due to cylinder misfires triping the CEL.

47000 mi US $17	DMV said gas cap failed emissions. Pretty sure the tech purposely failed the cap to meet a quota, as cap is tested each cycle by the vehicle's OBD-2 diag. Anyway, failure requires a repair, so cap was needlessly replaced. Cap not stocked at any dealer..
80100 mi US $150	Valve Lash required adjustment. Attempted self repair. Didn't break anything and it's better, but not perfect. Need to try again.
87000 mi	Motor mounted had failed and were source of clunking on acceleration. Valve lash adjustment performed by dealer (following earlier self-repair attempt). Getting the feel just right is difficult. Dealer was better but still not perfect.

320000 mi US $150

Changed timing belt and water pump thermostat and radiator.

146000 mi US $1000	Rear Catalytic Converter was replaced as the Check Engine light came on. Problem was diagnosed at the dealer and repairs completed.
146000 mi	All the exhaust heat shields needed to be replaced. That was the final straw, estimate from repair shop was in excess of $800.

128000 mi US $1150

changed radiator, tuned ignition syst

138000 mi US $746	Front and side motor mounts collapsed and were replaced.
143000 mi	Heat shield failed and had to be replaced.
172300 mi US $400	Failure of intake bypass gaskets
154500 mi US $1300	Left muffler rusted through
152800 mi	CHeck engine light on; caused by evaporator leak because gas cap cord was stuck in filler neck.

80600 mi C $60000	minor leak of coolant need gasket replacement
111620 mi C $600	replaced timing belt and water pump
164300 mi C $600	Replaced radiator.

105000 mi US $350

bad engine mount replaced

115000 mi US $1000

Cost prohibitive repair to have the dealer remove and replace the right front axle exhaust heatshield. But the rattle is driving me outta my mind.

97000 mi US $1715

Replaced timing belt. Replaced motor mounts.

190000 mi US $200

engine light on intermittently.

78000 mi US $600	2 engine mounts are cracked. The mechanic said this is common among the larger honda/acura vehicles. They put larger engines in, but this puts additional stress on the engine mounts.
114000 mi US $800	Engine Light and VTM-4 light. Codes showed many misfires. Needed valve adjustment and EFI service
116500 mi US $300	Tension pulleys squealing.

32000 mi	Replace O2 sensor Replace front and side motor mount
40000 mi US $180	CEL indicated fuel tank pressure problem - but not loose gas cap. Techs found no failed parts but blew out lines going to evaporative emissions controls. Problem did not return. Previously I had cleared the CEL and problem did return, so detaching, blo
43000 mi	Same fuel tank pressure code thrown. Tech blew out lines again, but claimed that this time debris came out of lines. Covered under warranty, and will be again if it recurs.

77000 mi

Replace broken motor mounts

94700 mi US $1300	Transmission coolant line burst. Radiator replaced and system flushed. There was a rumble noise before but now it's gone.
102500 mi US $1500	Would not pass emissions. Had to replace one of my catalytic converters.

180000 mi US $250

a sensor was reporting an issue. replaced sensor, no issue.

128120 mi C $300

Transmission fluid was leaking from rad core. Transmission cooler was integrated into radiator, replaced the entire unit.

151900 mi C $10

There was leak underneath the engine. Found that oil gaskets (there are few) leak for high mile cars. So all the gaskets around the timing belt area were replaced. pan gasket replaced, brakes. There was a loud noise one day from underneath the car. Checked and found that there was a gap between mid catalytic converter and the rear exhaust pipe. The bolts were rusted around that area. So ended up buying bolts and a new gasket.

122700 mi US $10	Repaired leaking emission control hoses by clamping them. They come from the factory only with a compression fit. As the hose hardens with age, it will allow air in, causing a Malfunction Illumination Lamp (MIL) lamp to illuminate showing a leaking gas cap. Sometimes the cap is the problem, but sometimes the problem at the emission control hoses, especially near the engine (due to the heat).
124300 mi US $60	Rough idle. Replaced plugs to try to remedy. Recommended maintenance at 110,000. Didn't affect idle quality.
125700 mi US $510	Rough idle. Adjusted intake and exhaust valves. Recommended service around 110,000 miles.
140000 mi US $10	City Mileage dropped from 19 mpg to 15 mpg. Removed and cleaned EGR valve twice. Mileage returned to 19-20 mpg. Also ran a bottle of fuel injector cleaner which seemed to help. Cost is for the two cans of carburetor cleaner.

160000 mi

Catalytic converter. Traded in for a new car.

37000 mi US $290

replacede 2 motor mounts

134000 mi US $1388

Valve adjustment and valve cover replacement

212000 mi US $105	Replaced passenger side front motor mount.
225000 mi US $90	broken front motor mount. replaced
284000 mi US $12	Seafoam cleaned throttle body/ top end. I'm getting a vibration either on throttle tip in or sometimes at steady state on level roads. No codes. Dealer & another Master mechanic suggested BG or SF intake/throttle body/top end cleaning. SeaFoam helped a lot, but it's still not all the way gone.

102200 mi US $412

replace front motor mount

58000 mi US $500

Replace Front and Side Engine Mount.

108400 mi US $700

Cooling System. Radiator failure. Coolant mixed with transmission fluid. I discovered the issue in my garage and decided to have it towed rather than driving it to my local shop. I could have driven but took the caution route.

79000 mi US $400	Front engine mount
91000 mi US $750	Leaking radiator. Replaced
94000 mi US $180	Rusting exhaust system.

99000 mi US $2675

Replaced Starter due to whirring noise on cold startup (30-60 degrees F)

134000 mi US $400

Front engine mount was broken whereas the right engine mount was rotting. I could've waited an additional 10K-20K but didn't want any catastrophic failure of the third and final engine mount nor the 2 mounts for the transmission. Oil pan bolt and pan threads were stripped...:( It's made out of aluminum so make sure a new crush washer is always applied with each oil change and make sure they don't over tighten it!

127500 mi US $600	front and side engine mounts
153000 mi US $200	mufflers, resonator

141020 mi C $650	cooling system repair
141360 mi C $1600	Water pump broke, car smoked badly of burning fluid etc, engine overheated. Change WaterPump, Timing belt. ATF fluid changed. Side and front mounts.
153160 mi	Coolent replaced

115000 mi US $536

Replace side and right front engine mount

124000 mi US $500	Valve clearance/cleaning
133600 mi US $450	Valve adjustment

104000 mi

car makes dragging sound when accelerating and then rpm don't match speed driving.

195000 mi US $175

valve adjustment, several sensors were reporting faulty ignition.

195500 mi US $450	Had to replace two engine mounts that were worn.
222000 mi US $500	PCM module failed and had to be replaced.

125000 mi US $600

Waterpump was leaking and had to be replaced. It was replaced at 90,000 miles previously.

107260 mi

noise when shifting to parking/drive,test run-shift to Drive and press the gas (foot on the brake) engine vibrating beyond the normal vibration when running. remove the engine mount passenger and front they broken. order parts as of Oct 10.

83000 mi US $900

side clips on engine broken

49000 mi US $250	Starter motor was causing problems.
65700 mi US $1600	Transmission fluid leak as a result of radiator issues.

72000 mi US $586

Front and rear engine mounts broken

61000 mi US $575

Drive belt and drive belt tensor were replaced. When belt would get wet, belt would slip. No power steering. Battery light came on as well as belt also drives alternator.

82000 mi	Engine mount cracked.
89000 mi US $500	Engine mount replaced.
149700 mi US $200	Replace water pump

180000 mi US $180

Accessory belt and tensioner

73000 mi US $312

O2 sensor went South. SEL came on pointing to problem sensor.

152000 mi US $2000

Engine mount (Front and side)

68000 mi US $1900

Engine mounts, alternator

105400 mi C $150

ERG sensor tripped check engine light. Reset with OBDII tool and no problems since.

110000 mi	Radiator had a hole in it. Replaced. $500
100000 mi US $250	Sometimes hard to start. Battery and starter not the problem. Turns over but will not crank. Kept trying to start and finally cranked. Has happened 3 times over 4 years. Radiator had a hole in it. Replaced motor mounts. Front mount was broken. No problems noticed, found by 2 different mechanics, finally replaced just because.
146100 mi US $100	Oil pan seal
158000 mi US $478	Replaced oil pan seal. Was done about a year ago but still leaked. Mechanic who replaced it last time saw it and replaced on his own when he saw it. Looks like it is still leaking.

223000 mi

Engine Light comes on and stays on for days then for no reason will go off.

240000 mi US $150

Transmission fluid mixed with coolant - failed transmission - Car donated

162000 mi US $5000

Replacing radiator. Reprogramming PCM.

128340 mi	Read from the MDX forum about the transmission failure due to radiator coolant leaks into the transmission and found those tubing fittings are corroded. Replaced the radiator.
147860 mi	oxygen sensor
148800 mi C $275	Engine lights and followed by VTM4 Light turns on. reset. after 1 week came back. code P2251 - Rear Air/Fuel Ratio (A/F) Sensor. Replaced oxygen sensor.

114000 mi US $250

Catalytic converter and oxygen sensors replaced; error code P4020

285000 mi US $2000	Replaced radiator & timing belt
290000 mi US $2000	Replaced seal

120000 mi US $430

Rough idle when cold, ok when warm. Valve adjustment solved problem.

132000 mi US $4	Cleaned intake manifold ports.
136000 mi US $123	Replaced EGR and PCV valves.

111000 mi

Car sold with check engine light on. Dealer said it would cost $2-5k to fix, wouln't know until performed the repair. Researched 2002 MDXs and found many that had a recall repair done in 2003? - I did- had a major engine issue soon after 100k miles.

78000 mi US $250

Car stalled at a stop sign. I took in for service, but they could not replicate. They kept trying for a week, and finally got it. The air intake throttle body flap wasn't opening properly and had to be replaced. I got oil change too.

208000 mi US $180

EGR valve needed to be cleaned

112000 mi US $768

2 broken motor mounts

109120 mi	Air Intake cleaning Transmission Fluid leaking into radiator, which needed to be replaced Tuneup and new spark plugs
110360 mi C $600	2 emissions valves required replacing
74620 mi C $600	code identified ignition coils misfiring or inconsistent - replaced all 6 coils

176000 mi

Engine randomly missing on different cylinders. Diagnosed as carbon build-up.

131000 mi US $1500

Car needed a major valve adjustment. We thought the initial cause was the EGR valve (TSB), but replacing it did not solve the problem.

98000 mi US $750	Motor mounts timing belt replacement
110000 mi US $1000	Rear main oil seal leak. Pouring oil out of engine. Intake clean out.

150000 mi US $60	Replaced primary and secondary oxygen sensors.
159000 mi US $120	Replaced catalytic converter.

145000 mi US $330

EGR valve - Exhaust Gas Recirculation Valve

127000 mi US $1000	Replaced oil pan & oil pan seal.  Replaced two engine mounts.
127000 mi	Oil leak again. Unsure of source, but amount is small enough to live with for now.
134000 mi US $600	Reseal leaking bolts on engine. Reseal leaking bolts on engine

194000 mi

The dealer technician has reported that the vehicle has a couple of oil leaks (main bearing seal) and another (forget which) which should probably be corrected at new timing belt replacement - due at about 210,000 miles.

191400 mi US $50	Failed thermostat. Replaced upper/lower hose and all fluid as well
210000 mi US $50	Thermostat replaced due to overheating. coolant topped off

102000 mi

replaced the motor mounts cause they were dry rotted.

132700 mi US $812	replaced idle air control valve
141000 mi	Muffler bracket failed / corroded that held the main muffler unit via a rubber connector grommet. Fixed with a coat hanger until the exhaust needs to be replaced.

185000 mi US $1100

Replace timing belt, water pump. Also replace oil pan gasket. This was due to oil leak. Also had oil and filter replaced.

89000 mi US $500

Discovered broken engine mounts and other broken bushings that needed repairs and replacement

198000 mi US $350	First time in for a valve adjustment. 3 Valves were tight.
200000 mi US $20	engine smoking on start up. engine misses
221500 mi US $400	Front and right motor mount broken

83000 mi US $540

Replaced front and side motor mounts

132000 mi

Motor mounts replaced. Transmission issues lead to getting rid of car. Approximately 4-5 thousand dollar repair quoted. No guarantee that repair would last long term.

122500 mi US $450

Idle Air Valve went out.

71300 mi C $200	Oxygen emissions sensor. Cuased engine light to come on and a very slightly rougher idle. Could have continued driving but decided to repair.
151060 mi C $1600	No power on acceleration. Shaking. Injector coils replaced.

163000 mi US $800	Front and side engine mounts both broken
171500 mi US $632	Catalytic Converter insides broke loose, plugging the exhaust system. Had to Remove and replace the catalytic converter.

123000 mi US $335

Replaced front engine motor mount.

179000 mi US $360

Throttle body replaced

146000 mi US $800

Timing gear.

160500 mi US $498

replace idle control motor/change transmission fluid

138300 mi US $564	Broken motor mount in front and the side mount was about to break. Repaired as well. The transmission was dragging and having a difficult time changing gears. Once the mounts were repaired, it runs very well. Night and day.
149000 mi US $100	Check engine light came on and the Thermostat was completely melted.Replaced thermostat.

154000 mi US $183

Needed to replace EGR valve

189000 mi	Upper radiator hose burst. Both were replaced.
214000 mi US $600	Replaced leaking radiator.
217000 mi US $600	Oil leak from valve cover gasket. Replaced gaskets. Also replace spark plugs etc. since access available

75000 mi

Diagnosed problem of failing engine mounts. Waited a bit on making the repair.

176000 mi

Rear main seal began leaking oil

78600 mi

Whirring noise after engine on a minute or so

64200 mi US $1000	"Check engine" and "VTM-4" lights. EGR needed cleaning and so did fuel injectors
67600 mi	Engine ran very rough. Diag codes suggested $1,000 spark plugs/coils replacement. I simply added fuel additive to clean EGR. Runs perfect!
75300 mi US $850	had to replace spark plugs and coils (EGR was not the problem after all)

110000 mi US $80

Front Engine Mount, vibration when idle

236000 mi US $250	rusted flex pipe in exhaust system was leaking
245000 mi US $450	car started running roughly, CEL came on. was fine at high RPM but shook around 1800-2200 RPM. Changed plugs adjusted valves, attempted to check coils. Problem not resolved. Took to another shop. they repalced 2 coils and the car was back to normal. Still having tapping due to valve adjustment by previous shop. Will have this fixed later

59520 mi C $100

Hesitation when slowly upshifting through 30km/hr, vibration. EGR valve replaced as warranty item by dealer.

117000 mi US $300

malfunctioning EGR valve caused uneven acceleration and rough shifting