Mazda MPV Mazda MPV

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Mazda MPV repairs by problem area

Engine (62%)

Transmission and Drivetrain (3%)

Brakes and Traction Control (7%)

Suspension and Steering (12%)

Electrical and Air Conditioning (13%)

Paint, Rust, Leaks, Rattles, and Trim (2%)

Other (2%)

Chart based on 563 repairs.
See TSBs and recalls for the Mazda MPV.

Mazda MPV engine repair cost distribution

$2500+ (3%)

$1000 - $2499 (12%)

$500 - $999 (24%)

$100 - $499 (54%)

< $100 (8%)

Chart based on 198 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2006 Mazda MPV 4dr Minivan

200-horsepower 3.0L V6 5-speed automatic FWD

75000 mi Oil Leak from engine"O" rings. Cost to repair $900-$1,000 Oil Leak from engine"O" rings. Cost to repair $900-$1,000 

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2005 Mazda MPV

Engine not specified

94000 mi

US $175
engine light came on. took to my mechanic and codes p2195 and p2197. replaced pcv hose, engine idle control, intake manifold gasket and a few other vacuum leaks, engine came back on, mechanic suggested taking it to dealer. 

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2005 Mazda MPV 4dr Minivan

200-horsepower 3.0L V6 5-speed automatic FWD

79000 mi

US $200
erratic idle, down on full throttle power. Replaced faulty PCV hose and valve. As a preventative maintenance I removed and replaced all spark plugs and COPs. 
92000 mi Front timing chain cover and oil pan develop leaks. It is a labor intensive repair. Estimates about $1,300. I first tried engine seal "stop leak" products with poor results. A telltale sign of burning oil accompanies this ford sourced duratech V6 defect.  
95300 mi Water pump developed leaks around the housing. Replaced it along with the short elbow bypass hose that connects the water pump to the coolant passages in the valley under the lower intake. 
10940 mi temperature sensor no way to be found and when taking long trip it finishes water in engine. 
59500 mi

US $40
Cooling system fan module failed and cooling fan kept coming on more and more when not needed. Seems this is a common failure. I bought a replacement module on eBay for $40. Dealer wanted $130 for the part. Took 15 minutes to replace it. 
69000 mi

US $100
#3 ignition misfire. Replaced all 6 coils and spark plugs. 
46300 mi

US $350
#3 coil and spark plug 
116000 mi

US $450
replaced all coils 
128000 mi

US $38
PCV tube collapsed and disintegrated. Issue caused prake issues as well as engine idle issues. 
69000 mi

US $256
the car was intermittently hesitating, not running smoothly. it was a post-ignition problem. Spark plugs and some sensors had to be replaced. 
72300 mi

US $1200
electronic post ignition and air flow sensors malfunctioning 
91000 mi

US $2000
replacement of multiple exhause components including 2 catalytic converts 
88000 mi The van was running roughly and Check Engine light was illuminated. Code was read and indicated a misfire in Cylinder 3. Ignition coil was replaced and solved the problem. 
96000 mi

US $200
Vacuum leak caused by collapsed PCV hose. 
99300 mi

US $560
Failed ignition coil in cylinder 1. Repair included replacing 2 coils and spark plugs. 
111000 mi

US $60
Replaced ignition coil on cylinder 4. 
76000 mi

US $194
Engine missing - replaced coil module on one cylinder. 
46393 mi

C $1318
Replace #4 ignition coil and spark plug Replace front brake pads, machine rotors + fluid Repair collapsed PVC hose Replace water pump + anti-freeze Replace rear brake light 
62000 mi

C $650
Replaced PCV hose 
180000 mi

US $180
Coolant line 
26000 mi Radiator Fan Control module replaced. Under warranty. (fan cycled irregularly, summer and winter). 
31000 mi

US $650
Replace three rear ignition coils. 
45000 mi Radiator Fan Control Module failure. Under warranty - no cost. 

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2004 Mazda MPV

Engine not specified

56000 mi

US $280
Ignition issue, code reading cylinder x misfire, all coils checked out ok as did vacuum system and fuel, engine is missing 
57000 mi

US $750
Engine misses.. stumbles 
106000 mi Coolant lines to rear heater failure. replace corroded lines 

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2004 Mazda MPV 4dr Minivan

200-horsepower 3.0L V6 5-speed automatic FWD

162000 mi

US $30
intake boot split at accordion area. Replaced with new Mazda intake boot 
181300 mi

US $160
Exhaust leak for the "front" muffler/silencer.....heard exhaust louder than usual, looked underneath and noticed exhaust starting to rot away 
54000 mi

US $250
Replaced one front ignition coil 
76000 mi

US $150
van started missing and CEL came on. Code reader indicated cylinder one misfire. Replaced all three coils and plugs behind/under intake manifold. Problem cleared. Note: 3 of the 6 coils have failed on Mazda van....definitely a problem. 
75000 mi Engine hesitates occasionally while driving, shop could not reproduce. 
81000 mi

US $100
engine hesitates occasionally during acceleration. Private shop was previously unable to replicate, dealer now couldn't either. Problem still occurs, but intermittently. No codes in computer. 
83000 mi

US $350
Engine was hesitating, ignition coil replaced on cylinder #5. 
94000 mi

US $1000
water pump failed and was replaced 
99000 mi

US $500
Engine hesitating, ignition coil replaced. 
102000 mi

US $100
Oil pressure light intermittently flickers at idle. Mechanic could not reproduce. 
87500 mi

US $150
2 worn out engine coils 
106000 mi

US $200
New spark plug wires added. 
108700 mi

US $200
Vacuum seal repaired 
87000 mi

US $157
radiator become cardboard-ish flaky and was brittle. replaced radiator 
122140 mi

$100
Radiator leak 
89000 mi

US $650
Replaced water pump. 
100000 mi

US $679
Replaced pvc hose that was cracked and had fuel injectors cleaned.  
103000 mi

US $398
Power steering and radiator flush 
104000 mi

US $636
Tuneup due to misfires 
109000 mi

US $950
Engine coils not firing 
126000 mi

US $40
Fan control module went bad 
92000 mi

US $900
Replaced ignition coil 
98000 mi

US $850
Minor Oil Leak, bad smell from engine compartment when heater was on. Dealer replaced rear engine gasket. Also replaced front sway bar links Rear gasket replaced, sway bar links replaced 
129462 mi

US $145
Fan control module replaced 
132800 mi

US $38
#6 ignition coil with spark plugs replaced Throttle body position sensor replaced 
136933 mi

US $308
#1 ignition coil replaced with gasket $308 
141540 mi

US $103
#4 ignition coil replaced 
153000 mi

US $195
ignition coil #4 replaced 
177300 mi

US $2100
running rough repaired ignition and computer problems 
70640 mi

C $220
Replace two coils 
79980 mi

C $162
#4 coil replaced. 
47500 mi

US $600
Replaced PCV breather hose and filter, all six sparkplugs and direct ignition coils, intake gasket set, basically a 50,000 mile tuneup but the PCV hose had failed as had one of the coils. 
54000 mi

US $500
Also put new hose clamp on leaking oil cooler lines near oil filter. 
149000 mi

US $660
The intake manifold gaskets needed to be replaced and spark plugs with new spark plug connectors 
152000 mi

US $68
Gasket repair was good from mechanic. But spark plug coil repacement was done by myself. 
153000 mi

US $110
Overdrive light on and check engine light on. 
153300 mi

US $130
My car has been receiving several codes p0171,p0174, and p0301.I am still trying to figure the problem. 
155000 mi

US $50
Vacuum hose was cracked caused check engine light to be on. Replaced and everything if fine. 
191700 mi

US $350
Coil pack went out 
95480 mi

C $140
ignition coils fail 
105000 mi

US $125
Temperature gauge reading low. CEL code for Engine Temp Too Low For Proper Emissions. Engine Coolant Temperature sensor was replaced. $60 for new sensor, $65 labor. 
91000 mi

US $246
Transmission reflash $200 91k miles Fan Control Module replacement **$46** 
94000 mi

US $125
PCV hose replacement 
48360 mi

€2880
Turbocharger broke down Ignition pump broke down 
81451 mi

US $690
Replaced defective mass air flow sensor; replaced coolant temperature sensor 
84764 mi

US $665
Replaced idle air control valve for stalling issue. Replace left turn signal-front bulb; To resolve oil leak-replaced oil pan gasket and front crank seal. 
100000 mi

US $1215
After we arrived at our vacation destination, car began running roughly and after a short while, engine light came up. Drove about 1 hour to dealership. Required replacement of all 6 ignition coils. All-day repair job. 
109000 mi

US $205
coolant temp sensor replaced Completed Induction service / induction cleaning to correct problem 
67000 mi

US $80
Vehicle was running very roughly and CEL was flashing. 
91000 mi

US $60
Replaced bad spark plug coil. Same cylinder as previously replaced. 
32000 mi

US $53
Misfire when accelerator pressed. 
32000 mi

US $150
Coil bad in cylinder 4. No code on computer. Just started at cyl 4 and problem cleared. Went ahead and replaced coils/plugs for cylinders 5 & 6. MPV forum and all the good members saved me $$ and time. Thanks.  
37000 mi Had replaced coil packs 4-6 last year or so and started noticing slight hesitation going up a hill.Had previously bought 6 coil packs and replaced the ones for cyl 1-3. Problem was solved but there still seems to be a slight problem. 
58000 mi

US $25
PCV hose leak. Replaced rubber elbow. 
114000 mi

US $100
Engine misfiring. Had previously replaced two coils. Replaced 4 remaining coils. Also replaced engine coolant, changed air filter. 
86000 mi

US $120
Ignition coil began to fail intermittently. This was the second time a coil had started to fail within the last 18 months. Replaced all six coils. Problem seems fairly prevalent among 2004 MPVs. 
56000 mi

US $300
#3 coil failed and the pcv hose failed, replaced at the dealer 
25119 mi CEL flashing diagnosis code P0303 cylinder 3 misfire Replaced cyclinder 3 ignition coil (AJ51-18-100A) & spark plug (AJ09-18-110) 
49125 mi CEL flashing diagnostic code P0303 cylinder 3 misfire. Fuel system check and replaced cylinder 3 ignition coil (AJ51-18-100A) 
52702 mi CEL flashing diagnostic code P0304 cylinder 4 misfire Replaced cylinder 4 ignition coil (AJ51-18-100A) 
58083 mi CEL flashing diagnostic code P0306 cylinder 6 misfire Replaced cylinder 6 ignition coil (AJ51-18-100A) 
98028 mi

C $142
Car stalling. idle would drop to zero when reving engine in park or when driving and taking foot of gas pedal. Replaced IAC. No charge for installation. IAC replaced by me 
91544 mi

C $418
CEL flashing diagnostic code P0302 cylinder 2 misfire. Replaced all spark plugs (ZZC2-18-110A) and cylinder 2 ignition coil (AJ51-18-100A) 
98027 mi

C $88
CEL flashing diagnostic code P0305 cylinder 5 misfire. Replaced cyclinder 5 ignition coil (AJ51-18-100A) myself 
119036 mi

C $385
CEL flashing diagnostic code P0301 cylinder 1 misfire. Replaced all spark plugs (ZZC2-18-110A) and cylinder 1 ignition coil (AJ51-18-100A) 
124620 mi

C $149
coolant dripping on driveway from water pump area. Soon after, squealing noise was coming from engine area. suspected water pump. removed belt temporarily and noise stopped. Ordered part, drained coolant, installed new pump & added coolant. 
128960 mi

C $878
Rough idle, car would lag when gas pedal pressed down for quick acceleration. Engine codes showed lean bank 1. Car taken to dealer for diagnostics. paid for diagnostic. PCV hose collapsed, EGR Boost sensor & solenoid found to be the problem Replaced PCV hose, Idle Air Control Valve, EGR Boost Sensor & EGR Boost sensor solenoid 
195300 mi

C $131
Water pump belt cracked. Belt replaced 
203940 mi

C $732
Exhaust leak 
207700 mi

C $539
Front exhaust Flex pipe 
210160 mi

C $404
temperature gauge drops to zero. No heat. fault code P0118. It ended up that it was the thermostat and not the engine coolant temperature sensor. 
210800 mi

C $999
Car studdering (missing) fault code P0303. Bank 1 colis/plugs replaced. After air intake off to replace bank 1 coils/plugs, notice bad oil leak at rocker cover. Rocker cover gasket replaced. 
213900 mi Oil leak from front valve cover. Re-re valve cover gaskets 
77300 mi

US $40
Replaced IAC valve 
84000 mi

US $335
replaced the O2 sensor 
101000 mi Replaced cooling fan control module 
102300 mi One of the ignition coils replaced. Luckily - one of the front ones... 

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2003 Mazda MPV

Engine not specified

85000 mi

US $1100
Engine gasket replacement with oil pan. 

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2003 Mazda MPV 4dr Minivan

200-horsepower 3.0L V6 5-speed automatic FWD

108000 mi

US $100
Oil pan gasket replaced 
115000 mi

US $800
Motor Mounts had to be replaced 
79000 mi

US $50
Oil pan gasket and crankshaft seal replaced to fix oil leaks. 
90000 mi

US $600
Coil on cyl #3 failed, incompetent mechanic refused to replace coil. Instead he replaced spark plugs for $300. Problem came back in less than 100 miles. Replaced coil. 
91000 mi

US $100
Replaced remaining coils, all showed signs of severe wear. Visible corrosion. PCV valve also replaced, it had been removed and was no longer able to stay in engine block. Crankcase vapors leaking into HVAC system due to this. 
95500 mi

US $45
Replaced the ECT. The O-ring on the original broke down and coolant started seeping past it eventually corroding the sensor causing it to underreport the coolant temperature.  
99000 mi

US $100
leaking oil pan, replaced oil pan with updated style. 
108000 mi One Catalytic converter & two O2 sensors failed, due to engine misfiring. 
111700 mi

US $2500
coils failed & needed to be replaced with plugs 
118000 mi

US $250
coil failed - again & CAT Convertor damaged. Will not pass inspection. Going to trade this thing in- I'm done sinking $$$ into it.... 
128000 mi Traded with toasted cats. 
76260 mi

C $1487
Noticed leak in oil pan relaced oil pan gasket and crank seal. Engine runs rough on idle replaced EGR valve, by-pass valve, gasket, A.c. sket, A.C. Hose, P.C.V SE, P.C.V. valve. Repair Vacuum hose near left strut tower. Replace leak detection pump. 
79360 mi

C $702
1 -Engine idles rough after warming up. Sometimes it is so rough that it is better to turn the car off and drive it later. Ignition Coils replaced and now the engine idles very well. 2 -Intermittent problem starting...replaced battery 
109480 mi

C $30
# 5 Coil Pack went bad (again) 
91700 mi

US $300
flex pipes on exhaust system were rusted out and wide open 
13500 mi Re-programmed auto transmission for shift shock and engine control module (removed a false check engine indication). 
109000 mi

US $550
Strong smell of burnt oil from engine compartment, but nothing obvious seen under hood (smoke or actual oil) and nothing on the ground. 
107000 mi

US $552
Replaced water pump. 
117000 mi

US $330
Vehicle jerked when at stoplight. A hose was replaced that was leaking air. $90 for a rubber hose? Successful repair. 
71300 mi

﷼22
Jerky downshifting, fuel thirsty 
74800 mi

﷼40
Heater hoses cracked. Coolant leaked. 
83680 mi

﷼99
The O2 sensor (aka B1S1 P0031) malfunctioned and had to replace. 
109000 mi

US $140
replaced engine oil pan gasket and fixed leak, replaced leaking ECT sensor, replaced worn front sway bar links 
114000 mi

US $20
Replacement of PCV boot at engine manifold. 
145000 mi

US $80
Replaced fan control module 
149000 mi

US $1400
timing cover oil leak 
150000 mi

US $300
Repaired oxygen sensor 
183000 mi

US $28
replaced induction hose due to crack 
198000 mi

US $400
Replaced radiator due to leak 
200000 mi

US $200
replaced air bypass valve due to erratic idle 
216000 mi

US $75
Replaced bad ignition coil 
219000 mi

US $90
Replaced rear engine mount 
222000 mi

US $180
Replaced rear bank ignition coils 
114000 mi

US $200
Severe vacuum vacuum leak and bad water pump 
117800 mi

C $60
The fan control module was going crazy. A twenty minute job lasted for hours. Had to take the battery and tray out to get access. Module replaced with new version. Now working normally. 
119660 mi

C $600
Ignition coils, which cost CAN$90 each. Mechanic suggested replace the back three with new ones. Then take one of the three old good ones to replace the defective one in the front and save the two good ones in case the ones in the front misfired again. 
124000 mi Check engine light came on. Garage pulled and cleared the code. Oxygen sensor malfunction.($200)Garage will replace sensor if it is on again. No charge. 
130200 mi

C $1000
Eventually one of the front 3 coils gone. Back 3 coils replaced earlier. Replaced the 3 coils with new ones($100@). 2 codes for 1 chk eng. replaced the PCV hose, $110. Mechanic said the hose is new design and should not crack. 
136400 mi P0421 Bank1 cat efficiency below threshold. Reset by disconnecting battery. Have to change cat. 
14260 mi

C $224
Part of the flex pipe on the exhaust had a hole in it. 
148800 mi Check engine light on again. Cleared by disconnecting negative terminal. I think it is the same catalytic converter problem. 
147000 mi

US $250
Car was dragging no exhaust power also check engine flashing off and on. New coil pack putting in van. 
112000 mi

US $1122
Replace PCV Valve Engine Oil Pan gasket Timing Cover/Gasket + Outer cover gasket 
114700 mi

US $1120
Replace valve cover gaskets 
127364 mi

US $264
Engine analysis. Replace cylinder #4 ignition coil. 
67000 mi

US $300
Replaced pre-cat O2 sensor on right bank (cowl side) of V6 engine. Done by independent mechanic. 
77000 mi

US $80
Replaced pre-cat O2 sensor on left bank (radiator side) of V6 engine. Cost includes special socket to remove O2 sensor. Added Lubegard Red to address modest shift flare problem (The duplicate entries for these repairs listed in Jun 2009 are erroneous.) 
78000 mi

US $75
Replaced collapsed, split PCV hose (causing the CEL) and incidentally all six plugs (which requires removing the intake manifold!). 
89000 mi I replaced the oil pan due to a very slow gasket leak. 
97500 mi

US $5
OBD-II Code P0306: misfire in cyl 6 during a severe rain storm. Misfiring stopped after storm. I erased code and pulled plug wires and coils for cyls 4,5,6 and sprayed the coil, plug, and spring with wire dryer. 
121000 mi Minor vacuum leak in IMRC; sealed with RTV 
135000 mi

US $30
MIL came on with P0174 code (vacuum leak). Found crack in air intake hose between MAF sensor and throttle body. Replaced the hose 
137000 mi

US $60
Replaced the PCV hose yet again. 
105000 mi Past repairs include replaced spark plug coils, replaced EGR hose 
215300 mi

US $350
Failed ignition coil on rear bank of cylinders which necessitated removing the intake plenum. This is the fifth or sixth time this has happened in the 11 years I have owned this vehicle. 
236000 mi

US $250
Coolant leak from radiator system 
247000 mi

US $300
The ignition coils went out again. The back three (under the intake manifold) were replaced even though only one was defective. I approved the additional work. The car began leaking coolant again. The leak was repaired. 
247500 mi

US $70
One of the front ignition coils failed, causing hesitation and misfire on cylinder four. I replaced the coil myself. 
98000 mi

US $350
problem with ignition coils 
78000 mi

US $50
Replaced Coil #6. Check engine light would come on during rainy weather. Did repair myself after research on mpvclub.com. 
96000 mi

US $225
Replace the back 3 ignition coils. One was bad but replace all since had it apart. Known issue for this model for the earlier coil version to get moisture inside.  
119000 mi

US $60
P0126 - ECT not reporting correct temp. Poor gas mileage plus minor coolant leak around the o-ring. Known issue with this car. 
87000 mi

US $300
PCV hose replacemnt 
TSB for Temp Sensor 
61700 mi

US $340
Coolant crossover pipe cracked. Part was a Mazda only part and took a couple of days to get in. Not a bad leak and wanted it replaced before any major damage happened. 
70000 mi

US $1000
New brakes, 5 coils and plugs. All original. 
123000 mi

US $1200
Noisy - had to replace expensive front pipes (one had integrated cat). Had tranny oil changed while there. 
183000 mi Exhaust leak at manifold. Snapped bolt. Estimaged repair cost $1000+. Will soon go to the junk yard. 
186000 mi Check engine light - multiple O2 sensor problems. Loud, running poorly. Took in for evaluation and was told that a bolt snapped off exhaust manifold - a very expensive repair + whatever else was wrong. 
48000 mi

US $100
Temp sensor/t-stat/fan module 
63000 mi

US $75
check engine light.(this is a yearly occurrence for something or other with this car @ about the same time frame). This time it was code p0031 ho2 sensor heater. Probably O2 sensor as heater is built into device. 
71000 mi

US $75
O2 sensor bank1 sensor1. 
125000 mi

US $650
Engine light - diagnossis bad ingition coil. Coil replaced. Additionally replaced plugs. 
155000 mi

US $550
Cooling System - Crack in radiator at upper hose connection. 
181000 mi

US $200
Bad coil on number 3 cylinder 
190700 mi

US $900
"Front" Engine seal replaced due to oil leak that dripped on exhaust pipe creating a very bad smell 
206000 mi

US $45
EVAP related CEL. Replaced purge valve and gas cap. 
220700 mi

US $12
Gasket for IIAC valve (actuator) replaced 
222000 mi

US $75
Emissions: O2 Sensor Bank 2, Sensor 1 
66000 mi Oxygen sensor replaced. 
76000 mi

US $400
Replace PVC vacuum lines and related parts; clean intake; reset cel 
78000 mi

US $550
Replace water pump, disconnect rear heat (lines leaking) 
84000 mi

US $120
Engine cooling fans running erratically. Replaced fan control module. (Note - common MPV repair; use the Mazda part and not the $50 aftermarket alternative. I went the cheap route first and ended up doing the job again a week later.) 
86000 mi

US $250
Replace motor mount Replace O2 sensor 
57000 mi

US $200
The PCV hose assembly was replaced. 
53000 mi

US $360
Ignition coil for one cylinder failed, causing rough running in wet weather and CEL to stay on. Required two trips to shop: two hours' diagnosis, which was unsuccessful, but shop swapped ignition wires around so that when problem reappeared, they were abl 
64000 mi

US $310
Oil pan gasket leaked engine leaked oil. Necessary to remove part of exhaust to access oil pan, adding to cost of replacing gasket. 
78000 mi

US $320
PCV tubing leaked, causing lean-burn fault code. Part not available due to holidays, but car was drivable in interim Parts received and installed to repair PCV tubing. 
80000 mi

US $230
Rough running and stalling caused by faulty coolant temp sensor, causing CEL light to come on. Could not drive car except very short distance with cold engine. 
81000 mi

US $600
Abrupt shifting, particulary 1 to 2 at low road speed, diagnosed as due to failed ring sensor in transmission. Sensor replaced. 
88000 mi

US $500
For 3rd time, an ignition coil failed, causing short in wet weather; misfiring on 1 cylinder. Extensive labor to access rear cylinder bank. Replcd coil & rmng 3 originals. Also replcd plugs to avoid repeat of labor later (addl $ not included) 
90000 mi

US $300
Coolant leaking. Replaced water pump. Rear heater not working; plugged line or valve possible, but will be evaluated at a later time. 
100000 mi

US $600
Cooling system hose leaking; replaced 
107000 mi

US $800
Piping to rear heater corroded and leaking coolant. Replaced with new parts - past extended warranty that Mazda has reportedly added for this problem. 
136000 mi

US $1400
Heater core leaking with odor of hot coolant inside vehicle. Very lengthy labor to access, thus high cost. 
138000 mi

US $1600
Oil leak had been noted on a prior maintenance visit - burning oil smell now apparent. Timing chain cover gasket leaked oil onto exhaust manifold. Extensive labor expense. Timing chains, tensioners, guides found to be very clean. 
138300 mi Replaced one catalytic converter. 
140000 mi Exhaust system extremely rusty and near end of life. Replaced one catalytic converter earlier in year; three more in system remained with unknown reliability. 
85000 mi

US $225
Broken PCV hose. Had originally been replaced under recall. Refused to replace again. 
31000 mi

C $100
Replaced Idle Air control valve at 50040. Stalling after hard acceleration when releasing the gas. Found the solution here: http://mazdaforum.com/m_49352/tm.htm 
58280 mi

C $120
PCV hose failed. In 2004 Mazda issued a recall which our van had applied. Hose failed again. Replaced and it's all good not. Part number AJ51-13-89YB. 
117000 mi

US $44
Coil failure cyl 5 
14727 mi Reflash transmission 
38196 mi Replaced ignition coil-cyl #3 
87000 mi

US $240
Wouldn't start temp sensor 
67000 mi Engine oil pan gasket leaking. Didn't repair because will have to replace entire oil pan. 
69700 mi

US $400
Engine quit running. Replaced ignition module and cleaned fuel injector. 
79000 mi

US $400
replace oxygen sensor 
82700 mi new front brakes, plugs, and coils along with bodywork due to a collision. 
91000 mi

US $250
oxygen sensor replaced 
95700 mi

US $110
Check engine light: code re cat converter. Dealer was able to get light off after some magic. Needs to be smog tested. Expensive repairs if it fails. 
109000 mi

US $2500
One of the spark plug poped out while the car was still running. Latter we learned that the ciramic of the plug had melted & fallen into the cylinder, damaging the engine. I had no options but replace the engine.  
110000 mi

US $2500
one of the cylinders lost compression 
65000 mi

US $340
Engine was idling rough. It turns out the PCV hose had a hole in it (again). This was repaired a couple of years ago under recall but failed again. 
100000 mi

US $359
Car was losing lots of coolant while driving. No puddles. Noticed coolant residue around water pump. Pressure test performed - no leaking hoses. Water pump was shot and they replaced it and all the coolant. Works great. 
114000 mi

US $491
Exhaust leak. Had to change the flex pipe. 
117000 mi

US $220
Replaced spark plugs and ignition coil 
68000 mi

US $248
Ignition Coil #4 failed causing a check engine light, loss of power, vibration in engine, misfire. Coil replaced and MPV runs like new. Not bad considering almost 68,000 miles and 8 years old. 
70000 mi

US $1700
Engine had loss of power and increase exhaust noise. Mechanic discovered hairline crack in Orig front stainless steel Exhaust Manifold. Crack was in rusted out seam weld in the exhaust manifold. Driver LF top Orig Oxygen Sensor Bad. 
72000 mi

US $245
Original Ignition Coil #5 failed and replaced. Also # 5 Original Spark Plug replaced. 
75700 mi

US $340
Original rear Oxygen Sensor went bad and was replaced. 
86300 mi

US $264
Engine misfire. Original Ignition coil #6 Along with Original Mazda Platinum spark plug replaced. Engine smooth and power restored. 
90000 mi

US $605
Loss of power during acceleration and when A/C on. Replaced all original spark plugs and the original 3 ignition coils and spark plugs closest to the firewall even though coils were still good since the labor was the same without the coils. 
94300 mi

US $131
Original exhaust flex pipe on passenger side rusted and rotted causing a hole resulting in noise. New flex pipe was welded in. 
67000 mi

US $350
Coil #5 broke down. To replace it it required all the upper part of the engine to be removed in order to gain access. Therefore although the part itself was about 70$ the cost of labor caused the price to be 350$. 
68000 mi

US $450
vacuum hose 
85000 mi

US $110
Another ignition coil had to be replaced due to a misfire. DIY to avoid paying labor, $75 for the part. Also replaced air control module, $35 for the part. 
87000 mi

US $70
Leak in the vacuum hose. 

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2002 Mazda MPV 4dr Minivan

200-horsepower 3.0L V6 5-speed automatic FWD

85000 mi Leaking water pump was replaced. Engine was rinsed to reduce the residual coolant on the outside of the engine. 
129000 mi

US $900
Cylinder coil failure 
104000 mi

US $700
replace water pump and all 4 tires 
131500 mi

US $1400
New catalytic converter + New oxygen sensor (part of exhaust system). 
140000 mi Cylinder misfire 
95000 mi

US $1500
Engine missing. Coils replaced. 
101000 mi

US $200
Oxygen sensor replaced 
104300 mi

US $980
Exhaust manifold cracked. Had to be replaced. 
114000 mi

US $50
Throttle body cleaning 
125000 mi

US $250
Check engine light. O2 sensor. 
135000 mi

US $100
Leaky radiator. Had to replace. The radiator I order from Amazon, did not fit. So, we put some glue and put it back. I have to refill it once a month now instead of every 2 weeks :)  
195000 mi

US $1600
Radiator core failed. Hoses replaced. 
203500 mi

US $1200
Vacuum leak, coil replacement, sensor cleaning. 
207000 mi

US $350
PVC Valve replaced, hose rotting and air leaking giving a whistle sound. 
210300 mi

US $450
Exhaust - left flex pipe came out, needed replacing. 
61000 mi

US $300
PVC line assembly replaced due to PVC fail. Mechanic says this is a known problem on Ford engines 
137000 mi

US $700
Radiator and thermometor replaces as the radiator had a leak 
68000 mi The exhaust manifold was cracked. Too expensive to repair on a 10 year old car. 
174000 mi

US $300
Replaced Manifold Air Pressure Sensor with used parts. Replaced Liquid Purge Box with used parts. 
35000 mi two coil replaced under warranty fan control module replaced under warranty AT reflash to cure rough shifting 
60000 mi

US $200
Two more coil replaced under extended warranty on two occasions 
65000 mi

US $80
replaced 1 more coil (do-it-yourself) 
83000 mi

US $100
oil pan leak fixed under extended warranty 
90000 mi

US $80
last coil replaced (DIY) 
92000 mi

US $25
fan control module replaced (DIY) 
95000 mi

US $200
flexpipe leak, to be fixed for $200 (muffler shop estimate) 
2500 mi OD light flashed, towed to dealer as recommended, replaced sensor covered under warranty 
221000 mi

US $3900
Engine was replaced ECU Replaced 
139000 mi

US $900
OBD II Check Engine revealed Misfire Codes 
62620 mi

C $500
Rear heater pipe rusted through; leaking coolant. Front heater piper was degraded, so replaced as a preventative measure. Flushed radiator as well. 
135500 mi

US $250
Replaced faulty ignition coil bank. 
102000 mi

US $110
Oxygen sensor, sway bar links, spark plugs 
104500 mi

US $40
Front engine mount replacement 

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2001 Mazda MPV

Engine not specified

156000 mi

US $240
Catalytic converters ... not worth fixing. Car no longer runs, selling it for scrap. 

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2001 Mazda MPV 4dr Minivan

170-horsepower 2.5L V6 4-speed automatic FWD

153000 mi Engine has begun to leak small amounts of oil. 
155000 mi Engine started burning oil at a rate of one quart every 50 miles. Sold it for salvage. 
212300 mi

US $250
rough driving 
102300 mi Misfire noticeable going uphills or when accelerating.Had Mazda check but no engine codes present.Suggested replace ignition leads. Installed Top Gun brand and appears ok.  
106640 mi

C $300
Belt tensioner needed replacing (w/ new belt) 
111600 mi Some sort of short circuit in the ignition system. 

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2000 Mazda MPV

Engine not specified

174000 mi Exhaust manifold leaking when sold. 
95480 mi

C $350
leaking engine oil. gaskets need replacement 
89000 mi

US $250
Water pump not working properly. 

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2000 Mazda MPV 4dr Minivan

170-horsepower 2.5L V6 4-speed automatic FWD

110000 mi

US $1000
Cleaned intake manifoldrnCleaned IMRCrnChanged spark plugsrnChanged front struts and mountsrnChanged control arm bushingsrnChanged heater hosesrn 
111600 mi

A $100
Cooling system overflow bottle leaking. 
119660 mi

A $250
Engine ignition coil failing have replaced HT leads, waiting for coil. 
120280 mi Replaced ignition leads with OEM brand from Top gun and turned out didnt require the coil at all. 
122760 mi

A $50
Coolant leak from top radiator hose. System pressurised to find leak. Hose clamps replaced. 
123380 mi

A $450
Connecting hose to thermostat/engine/water pump failed. Water pump required replacement (original waterpump lasted almost 200,000km). 
132360 mi

A $900
Radiator was repaired just over three years ago, but has consistently been failing as the car has been overheating up major hills etc. 
157480 mi

A $200
High tension leads 
79360 mi Exhaust Manifold Gasket need to be replaced the acelerator sensor was not working and the car wasnt developing the speeds. Was just running in the first gear spark plugs 
68820 mi

$250
When trying to fix speedometer previously,the trans got bad and wouldn't change gear, O/D light on. 
139500 mi

$100
fixed holes in the exhaust with the use of steel wool, steel cans and clamps to improve fuel economy 
139500 mi

$150
The ignition coil failed, was replaced with used. 
133000 mi

US $200
Found a hair line crack on the right side of the radiator after filling antifreeze to the recovery tank almost everyday. Replaced the defective radiator. 
136000 mi

US $453
rough idle and spewing nauscious exhaust fumes. replaced ignition wire set and all six spark plugs. 
137000 mi

US $114
Erratic Idle speed problem recurred after spark plug/ignition wire set replacement. Replaced ignition coil module, idle speed back to normal. Replaced ignition coil pack in an attempt to improve spark intensity. Intermittent rough idle problem was cleared and returned. 
138000 mi

US $2
DTC's P0171 and P0174 occur once every four to five days. Replaced broken Idle Air Control Valve gasket. No DTC's noted. Lesson learned: Do Not re-use any gaskets. 
142000 mi

US $6
Check Engine Light DTG P0455. Replaced gas tank cap. No CEL. 
147000 mi

US $15
REPLACED PCV VALVE DUE TO P0171 DTC AND CONDENSATION (MILKY OIL FILM ON OLD PCV VALVE). ADDED CLAMPS TO PCV VACUUM HOSE CONNECTIONS. 
150883 mi constant random misfire dtc P0300, found crack in a rubber air hose connects air filter to IAC. 
160000 mi

US $185
Engine crank but won't start. Replaced all (6) fouled platinum +4 spark plugs that only ran 24,000 miles. No check engine light. 
45000 mi

US $300
motor mount. 
155000 mi Check engine light went off, test say "Bank 1 collector full"(Oxygen) erased comp memo, have to drive on high octane fuel. 
90700 mi

US $545
Front seal was leaking oil. Replaced. 
123300 mi

US $458
intake manifold gasket was leaking. Replaced. 
116000 mi

US $140
Replace leaky flex pipe. 
108000 mi CEL came on, van running fine. I took it to autozone and was told that an O2 sensor needs replaced. I'm going to wait a bit until I can afford to replace it. 
108000 mi Water pump failed, replaced. O2 sensor on order O2 sensor installed. 
234000 mi

US $170
Replaced leaking Radiator 
242000 mi

US $193
Coolant hose failure. 
111000 mi

US $20
Was told in Mar my check engine light code was replace catalytic converter. Waited til registration due because of high cost. Went to another mechanic - code was for vacuum leak but he found none and reset chk eng light 
168000 mi

US $600
Inherent overheating , which anyone with knowledge of the Canadian engine swap "fiasco" is well aware of. These vehicles should have all been recalled for engine replacements!! 
155000 mi O2 sensor. Will cost about $310, will probably replace it in February. 
112000 mi

US $150
Water pump failed at 112,000 miles. Replaced with OEM replacement part. 
137000 mi

US $550
Front brakes replaced (pads, rotors, and 1 caliper), coolant leak in rear heater fixed. 
119300 mi

US $500
Oxygen sensor replaced, periodic maintenance nag reset 

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2000 Mazda MPV 4-door

6-cylinder automatic 2WD

80000 mi replace catalytic converter 

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2000 Mazda MPV 4-door

4-cylinder automatic 2WD

139000 mi

US $380
o2 sensor was replaced, first replacement at 139k. pretty good for an o2, usually see them go a lot sooner. 
139000 mi

US $1100
Radiator leaking, replaced radiator, thermostat and hoses. CEL came on, replaced intake and exhaust gaskets. 

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See TrueDelta's information for all Mazda models.

Mazda MPV Engine Problems

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently Mazda MPV problems occur, check out our car reliability stats.