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Expensive Mazda Mazda6 repairs by problem area

Engine (50%)

Transmission and Drivetrain (17%)

Brakes and Traction Control (6%)

Suspension and Steering (18%)

Electrical and Air Conditioning (5%)

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

Other (2%)

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Chart based on 149 repairs.

See TSBs and recalls for the Mazda Mazda6.

Mazda Mazda6 repair cost distribution

$2500+ (26%)

$1000 - $2499 (74%)

$500 - $999 (0%)

$100 - $499 (0%)

< $100 (0%)

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Chart based on 94 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

62620 mi C $1000	Front struts and rear shocks replaced
63674 mi C $200	Excessive noise and hydraulic fluid leaking from serpentine belt automatic tensioner. R & R serpentine belt; belt tensioner, and water pump belt.

18000 mi US $660	Rotor needed to be replaced.
49000 mi US $2100	Oil pan gasket leak

108893 mi

US $3500

Number 2 Piston Rod bearing spun and disintegrated. Catastrophic failure. Repair attempted. Traded in January 2022.

142000 mi US $700	Replace front rotors due to warping and wear.
156000 mi US $440	Check engine light was thrown. When inspected coolant was very low and car was not producing heat in the Passenger compartment. Mechanic noted that it might be due to TSB 07-007/17. Restored coolant and ran for while, but noted that coolant was going into the heater unit hot and coming back at a much lower temp. Said they're usually a similar temp. He recommended doing a total coolant flush and to monitor the cabin heat in the meantime. Replaced Drive belt and water pump belts. Mechanic noted wear during work on cooling system. Replaced sparkplugs.
165000 mi US $225	Rear passenger seatbelt was not working. Dealer found something "sticky and hard" wedged in, likely some kind of candy. Removed and cleaned out, functional again. No charge.
177000 mi US $1200	Gasket head cover replaced. Right lower control arm replaced.

42197 mi

C $2265

Broken drive belt replaced Replace front and rear brake pads and rotors.

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84000 mi

US $3700

Belt tensioner and valve cover gasket Front lower control arms replacement

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50000 mi

US $1200

Probably caused by brake recall

69000 mi

US $1300

Gas tank replacement

123000 mi

US $1545

Bar was worn and replaced. Front struts replaced. Front stabilizer bar.

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103000 mi US $1000	Ignition/Off button would not turn off auto...faulty/worn switch in the shifter
111000 mi US $1200	replaced brake pads and rotors

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50119 mi

US $1326

Replaced A/C Compressor, Clutch Assembly, Reciever/Dryer, Serpentine Belt, 2 O-Rings, Evacuated & Recharged System

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82000 mi US $695	I lost all sound through the car speakers, including Bluetooth. Dealer determined that the Bose amplifier was burned out, the cause of this is unknown. The amplifier was replaced in under 2 hours, and the fix cured the problem.
115000 mi US $2000	Front subframe was diagnosed to be rusted out, so badly that I was advised not to drive it. It took 6 WEEKS ALONE for the parts to be shipped from Mazda to the dealer!
115500 mi US $450	Blind spot monitoring light started flashing. Dealer diagnosed it to be a faulty sensor/warning light within the passenger side mirror. Entire mirror needed to be replaced.

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90400 mi

€2600

Blown engine due to failure of #4 injector washer

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93000 mi

US $1200

Air would intermittantly blow hot. Replaced radiator and tstat. Didnt repair...replaced fan module.

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83000 mi

US $1200

Clutch was replaced - this was just due to wear and tear, and not related to defects. Teaching kids to drive a manual is fun!

58000 mi US $275	Car had been making unusual noise going over bumps, had been in once before but unable to diagnosis. Ride w/tech & inspection confirmed end links
80800 mi US $200	connection rusted out - local muffler shop welded it back together.
88000 mi US $2500	the front engine cradle rusted out to the point that I could not safely drive the car. Mazda was asked to provide support for the repair but declined. While car was in - a rear wheel bearing was also discovered to have gone bad and that was replaced as well.

53940 mi C $210	Replaced the manufacturer supplied battery as it would no longer hold a charge.
79140 mi C $540	Worn wheel bearing and 4 wheel alignment. As well as factory recalls applied
108500 mi C $2000	changed the clutch plate, main bearing, main seal changed rear shocks
115940 mi C $1000	Replaced both rear shock absorbers
139500 mi C $287	Rusted exhaust gasket between resonator and muffler where pipes join
151900 mi C $1200	brake rotors and pads, oil change,

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98000 mi US $125	Battery was nearly 5 years old and needed replacement.
115000 mi US $1100	Tie rod and control arms were replaced due to excess play.

54000 mi US $400	Replaced switch that failed, causing transmission to fail to shift into 4th and 5th gears on occasion.
57800 mi US $1200	A unit failed that allowed the keys to operate the car. It was deemed unsafe to drive. Part had to be ordered.

73800 mi

US $1000

AC fan motor needed to be replaced.

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63000 mi

£5000

Big end failure. Car scrapped at only 64k

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46500 mi C $350	Check engine light on, found that it was a purge valve, ordered part and fixed it. Problem seems like it is fixed.
78740 mi C $1800	Timing chain, actuator, seals, gaskets.

12000 mi US $160	Purge valve replaced under warranty, all drivetrain oils and oil filter changed
15900 mi US $100	Steering wheel clock spring clicking, on order. Engine knocking, dealer agrees is unusual but waiting for Mazda to give them advice on the problem and solution.
35500 mi US $1000	Leaking transfer case had to be resealed, parts replaced. All appears to be fine now. Leaking transfer case had to be resealed, parts replaced. All appears to be fine now.
66000 mi US $350	O-ring failed between power steering pump and reservoir. Replaced pump and reservoir (reservoir had become stained inside and it was hard to tell what the level was).

46900 mi

US $1200

Engine broke two connecting rods and pistons; block was cracked down the middle.

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79856 mi C $1200	Suspension control arm replaced Suspension control arm replaced, along with Brake pads/rotors and tune up (plugs, air filter)
92380 mi C $600	Both Front Wheel Bearings replaced
112840 mi C $300	Flex pipe repair

77000 mi US $360	A/C evaporator was leaking from corrosion, and heater core next to it was also corroded. Replacing both required removing the dashboard. Check engine light came on; caused by clogged evaporative leak detection pump. Pump was removed, tested, cleaned and reinstalled.
83000 mi US $250	Air intake had dry rot and a tear, triggering the check engine light, and had to be replaced.
85900 mi US $150	Needed new fan control module because cooling fan for A/C system was running at high speed whenever A/C was engaged. Second time this has happened, and it is common among 2003-2008 Mazda6s.

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113100 mi US $800	Water pump failed. Replaced hoses also while in.
118000 mi US $700	Fixed engine oil leak.
126300 mi US $1400	Replace control arms, new struts

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120000 mi US $1250	car refused to respond to throttle, stayed at idle. replace air intake tube throttle body
136000 mi US $1300	Clutch slipping at higher rpm, pressure plate clutch disc and throw out bearing replaced

109300 mi US $1333	Clutch started to make noise and be very heavy. Replaced entire clutch assembly. Something went wrong with the pressure plate and the throw out bearing was ruined. Lining low but some life left.
122000 mi US $762	A small plastic part on the water pump housing started to leak coolant. The entire water pump had to be replaced because they do not sell the plastic part separately.
126000 mi US $453	Front bypass hose fitting burst, spraying coolant

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81840 mi

C $1000

Rear brake pads and rotors needed replacement. Real calipers were seized and needed servicing. Front brakes needed general servicing.

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13 mi

US $16600

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120000 mi US $130	Replaced alternator
148000 mi US $1400	Turbo leaking oil and Egr valve low flow

94220 mi C $1500	Replaced timing chain and VVT actuator on purchase of vehicle. Was an expected repair when I purchased the car.
131440 mi C $500	EGR Valve

188000 mi

US $2800

Transmission was slipping and leaked fluid. Had to rebuild or replace with a used. Ended up replacing with used. Still having issues with shifting into gears. Very hard to shift into gears. So it's still not right.

194000 mi

US $300

Transmission still had issues. Clutch pedal would go down, but would not come up. At lights, the car would creep forward, if in gear. Took back to shop, and they did not replace the clutch, when they replaced the transmission. Paid for clutch out of my own pocket, and they put it on, no charge. They also replaced the master and slave cylinder, no charge. After about a month, the clutch pedal is still an issue. Will replace clutch line, and bleed the fluid, to see if it is fixed.

42000 mi US $1200	Hesitation resulting from poor fuel pressure from fuel pump.
56000 mi US $275	Thermostat and temperature gushed were replaced.
61000 mi US $380	Wheel bearing front right wheel was leaking
62000 mi US $350	Replace rear shocks
77000 mi US $135	Boot cover replaced
92000 mi US $620	Replace EGR valve.
94000 mi US $1220	Replaced both lower control arms and passenger side axle shaft.
110000 mi US $145	Replaced battery.
115000 mi US $850	Replaced both rear calipers.
134000 mi US $1000	Front wheel bearing Replace rear calipers

130700 mi US $300	New spark plugs and oil
151400 mi US $1100	Brakes/rotors/wheel bearings

110000 mi US $150	Driver side rear upper control arm bolt broke.
115000 mi US $350	Replaced both the rear motor mount and the transmission motor mount.
129600 mi US $1000	Clutch pedal broke, the pressure plate failed distroying the clutch. To fix the car it required a new clutch pedal, new master and slave cyl, new clutch, fly wheel, transmission gear oil. I also replaced rear main seal. Replaced PS Cooler.

69000 mi

US $2000

Third gear sequencer shot

106000 mi

US $4500

The engine threw a rod through the block and dumped it self all over the road. There are inherent design problems with the 2.3L MZR Turbo engine that make complete failure very likely. Owners/victims call it ZZB for "Zoom-Zoom-BOOM".

US $1000

Power take off (t-case) exploded.

57800 mi US $100	Drivers side rear shock leaking/blown
68000 mi US $5000	Transfer case had a minor leak when sold. Also bought rear shock but never replaced it.

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42480 mi C $1800	Main PCM replaced - issue not fixed TCM replaced at owner cost - not covered under Powertrain warranty in Canada (it is in the US) Transmission replaced under warranty
62620 mi C $130	Have had 2 Motomaster batteries die in one week.
63860 mi C $350	Suffered sporadic no-start condition. Starter replaced and problem has not reoccurred.
83700 mi C $1500	Oil leak from crankshaft seal repaired. Suspension components replaced Peeling rust on driver side rear wheel well and arch repaired.
88660 mi C $900	Stuck caliper and full pad/rotor replacement on all four corners

62200 mi C $2000	water pump leaking leaking head gasket catalytic converter noisy
62620 mi C $250	warning light of the engine on
62620 mi C $2600	Corrosion on bundle wires from motor send all wrong messages to engine, transmission and computer. It took 2 months and 30 hours of labor to find the problem. They changed many parts before finding the problem.

31000 mi US $600	Car stalled and check engine light came on. After that, it ran fine. Diagnostics indicated O2 sensor failed plus the injectors needed to be cleaned.
49000 mi US $500	A/C recharge
72000 mi US $250	The dreaded Mazda 6 purge valve was replaced.
108000 mi US $1350	Rear shocks, front struts, front springs, sway bar links, wheel alignment. All items replaced were original parts.
130000 mi US $800	Replaced water pump and related belts.

42000 mi US $280	Driver's side lumbar support broken, fixed under warranty. We were experiencing shock-shifting behavior in 1st to 2nd gear shift. Dealer flushed and replaced transmission fluid. Loud noise from engine compartment on cold start-up. Diagnosed as a bad idler pulley. Belts and pulley replaced under warranty.
72000 mi US $1000	Hose leak Front O2 sensor replaced, also cracked vacuum hose

39000 mi US $200	Defective drive belt pulley
67000 mi US $150	Oxygen sensor replaced
68700 mi US $400	power steering fluid line leak
76000 mi US $1300	Oil leak from valve covers Front wheel bearing replaced
90000 mi US $1345	oil leak rear main seal
109000 mi US $150	Starter connections corroded. Needed tow.
112000 mi US $1000	plug coils replaced, several computer sensors replaced

122760 mi C $300	Stabilizer bushings, and serpentine belt
129260 mi C $1100	Install Serpentine belt, air intake hose from airbox to throttle body, waterpump, antifreeze and cabin filter.

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88660 mi C $300	Weld a crack in exhaust pipe Right wiper linkage broke due to ice. Linkage was repaired
93000 mi C $1200	Rear pads & rotors Rear calipers had to be replaced as part of pad/rotor replacement A/C was not blowing cold. System was recharged and leakstop added.
93620 mi C $270	Weld crack in exhaust

56000 mi US $700	AC system leak on high pressure hose. Replaced. Oil pan leak, gasket replaced
60900 mi US $140	Cooling flange cracked Engine Mounts and strut loosened
85000 mi US $125	New battery failure after 24 months,60 month battery, suspect underhood heat given battery placement in engine bay. lower engine mount / torgue strut bushing failed. This one only lasted 20k miles. replaced with AWR unit with polyurethane bushings.
85500 mi US $100	Starter bendix sticking, apparently manual transmission models clutch dust accumulation can be hard on this. First rebuild starter marginal though good brand, 2nd OK.
92000 mi US $1265	Clutch replacement, pedal had gotten progressively harder and clutch dust was causing binding in starter bendix, though no problem with clutch engagement or operation.

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98000 mi

US $1000

Replace front struts and lower control arms. Ignition switch key reminder buzzer will not stop beeping with key out of ignition switch causing key fob not to operate or doors to be locked from drivers door lock switch

54000 mi US $102	Replaced the original battery
76000 mi US $1455	Replaced intake manifold, oxygen sensor, spark plugs, and burned out parking headlight
76300 mi US $399	Replaced Thermostat and hose that was leaking
74800 mi US $780	The timing belt jumped and had to be replaced. Also replaced was oil and spark plugs.
90000 mi US $150	Replaced the battery
91000 mi US $557	4 new tires and a front end alignment was done.
93000 mi US $193	Rear brake pads were shot and needed replaced

156000 mi

US $1650

Replaced engine due to cracks in multiple cylinders.

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115000 mi US $100	Replaced driver's seat belt. Was torn and did not retract correctly.
120200 mi US $2500	Whining tranny, and hard to get in gear. Upon opening discovered problems that req'd replacement with a used unit. Also did clutch.
120300 mi US $500	Check engine light, plus minor drivability problems. Message was bank 1 lean. Reset once, came back in a week or so. Replaced solenoid and valve in the intake runner.
121000 mi US $310	Check engine light back on (see previous repair). This time, changed O2 sensor
122000 mi US $350	Check engine light came on again, same code. Mechanic narrowed it down to MAF sensor or fuel pump. Changed MAF for a week to see if that fixed it - it seems to have.
165000 mi US $550	Bracket holding the brake and clutch pedals failed so clutch could not be fully disengaged. Bracket replaced. (Symptom was similar to a failed clutch master cylinder).

115300 mi US $250	Engine temp sensor went out. Had to have it replaced.
117500 mi US $2500	Tensioner on timing chain went bad. Skipper several cogs. All valves destroyed, two pistons destroyed. Had to replace engine.

94300 mi US $1000	Clutch replaced
100000 mi US $240	caliper replaced

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79000 mi

US $1450

Shocks/struts worn, needed replacing.

51000 mi US $430	Cable for driver's seat lumbar adjustment broke so the lumbar support was replaced.
72800 mi US $1000	AC compressor and a couple of other parts (don't remember) were replaced. Dealer had to order parts 2 separate times, requiring a total of three days in the shop.
134000 mi US $370	Cracked air intake was replaced and an unrelated fuse was replaced.

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41999 mi US $300	Replaced cracked rear transmission mount Replace Rear Transmission Mount
57065 mi US $874	Oil leak from around valve covers. Replaced valve covers, gaskets and seals. Oil leak from around valve covers. Replaced valve covers, gaskets and seals.
68136 mi US $373	Purge valve stuck in open position - replaced.
68936 mi US $373	Purge valve stuck in open position - replaced.
78312 mi US $587	Right front strut was leaking. Had both struts replaced and front end alignment performed Right front strut was leaking. Had both struts replaced and front end alignment performed
116000 mi US $1324	Replace leaking rear main seal

103000 mi US $120	CEL - running too lean. Examined intake accordion hose and found large crack allowing extra air into throttle after MAF sensor. Replaced accordion hose and CEL cleared itself after a few driving cycles.
108000 mi US $103	Heard squeak and clunk noises when shifting; mechanic found motor mounts were very loose. Replaced one missing bolt, tightened all mounts, and problem was solved.
140000 mi US $1200	Missing under heavy load; found bad #5 coil, and it was time to replace spark plugs. Replaced back three coils, and all six spark plugs, and performance was restored. Radiator fan kept coming on when it wasn't necessary (engine cool, or shut off). Replaced fan module.
160662 mi US $664	Valve cover gaskets were leaking oil rather badly; needed to replace them to pass inspection.
165000 mi US $950	Oil leak onto exhaust from timing chain cover; re-sealing required removing and reassembling many parts in order to get access.

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110000 mi US $600	Alternator went bad and had to be replaced.
133000 mi US $1000	Had the wheel bearing replaced as it had started to wear out. Had the axle replaced in addition to wheel bearing. Mechanic discovered lower control arm bushing was torn and replaced part during rest of service.

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31700 mi

US $1900

Had to have CV Joints replaced

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120280 mi C $160	CEL on, Neutral Switch for MT replaced
125860 mi C $430	CEL issues, - would not start, crimped wire connections No parts replaced
125860 mi C $1500	Steering Rack & hoses, etc., replaced. Cracked, from freezing - from sitting in 'high water'. Fault of owner

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83000 mi US $200	Hydraulic motor mount replacement.
88400 mi US $383	Valve cover leak
96000 mi US $1000	Engine mount studs stripped and engine fell.
97000 mi US $1300	Oil leakage
99800 mi US $3000	Timing cover leak hitting exhaust

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104000 mi US $800	I had two more ignition coils replaced. This is after I replaced all six of them a few years prior at around 80,000 miles. I had two more ignition coils replaced. This is after I replaced all six of them a few years prior at around 80,000 miles. I also had a coolant leak repaired during this time.
111000 mi US $1000	Replaced the clutch in this vehicle after about 110,000 miles. Dealer wanted $1800 for the job. I found another shop that replaced for about $1000. The work requires the engine to be dropped (v6 models)and is an 8 hour plus job.

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107000 mi US $1000	Bank 1 cat failure. Replaced ALL catalytic converters with MSDS headers. Poor design of Mazda/Ford DuraTech V6 engine having pre-cats coming off of engine. Materials inside break down and go back up into engine and causing engine failure.
107000 mi US $3700	Had rebuilt/remanned engine installed after the cylinders were scarred from the previous issue with the catalytic converters. $2700 for the engine alone and the remaining for the labor/shop supplies
10900 mi US $700	Kept hearing "clunking" noises and found out the engine was shifting back and forth. Both engine mounts were bad. Ordered stronger mounts through AWRracing $550 for the mounts (trans dogbone and both front engine mounts)
12500 mi US $200	Left side of car "squeaked" when I turned the steering wheel to the right. Diagnosed as the ball joints going bad. Shop did a quick fix and installed zerk fittings in the and it stopped the squeaking for a week. Replaced both upper and lower ball joints
127000 mi US $100	Squeaking with previous issue only stopped for 2 weeks. Replaced both tie rod ends and no longer have the issue.

101000 mi US $980	Clock/Radio/AC display LCD needed to be replaced
118000 mi US $2200	Engine valve determined to leak oil/was replaced, spark plugs replaced, brake rotors resurfaced, transmission fluid flushed/filled, oil and filter serviced, cabin filter replaced. Driver's wheel bearing went bad/was replaced.
150400 mi US $600	Water pump pulley seized in cold weather. Caused radiator to overheat, spilling radiator fluid all over. Replacement parts and labor < $600
136800 mi US $600	Worn out bearing making awful noise. Replaced for $$$.
152700 mi US $1393	Replace alternator, replace fan control unit, replace left front bearing
141000 mi US $350	Fog and driving lights replaced. Tires rotated. Headlight assemblies cleaned/refinished, oil changed.

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125000 mi US $269	Thermostat was stuck open. It was replaced.
146200 mi US $480	Rattle from front end, replaced both lower control arms
196000 mi US $1500	Replaced catalytic converter

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86000 mi US $4000	Have been taking the car to the dealer for over a year now same problem occurs every time the runs fine then starts to shudder and wont accelerate you have to shut the car off and start it again
86000 mi US $2000	Turned out to be electronic throttle system sensors a an b plus a short in wire harness this has stopped intermittent surge and having to shut off car and restart

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80080 mi

C $1100

Rear seal leak-had to be replaced.

117000 mi US $220	A clip had broken off a cooling line and leaked coolant. The radiator was bone dry. Had to replace the clip and refill the coolant. No other issues found.
118000 mi US $300	Headliner was falling off.
123500 mi US $1200	Water pump seized and took out Serpentine Belt. All had to be replaced along with new idler tensioner.

117000 mi

US $2500

Engine replacement

70680 mi C $550	engine light came on. sensor and hose required replacing. also got rear brakes replaced due to wear
79980 mi C $100	Electrical socket for turning signal
89260 mi C $1000	Leaking gaskets and oil pan seal
92980 mi C $100	Light bulb socket for turn signal failed

57640 mi C $200	New front and rear pads, new rear disks and calipers. Transmission leak due to loose gear clamp
60960 mi C $1200	Diagnosing/attempting fix of worsening misfire. Replaced 3 rear coil packs, MAF, new intake gasket, etc... This helped alot, but did not resolve the issue completely. Transmission started leaking again with fluid hitting the exhaust manifold and causing burning smell. Replaced tranny cooler hose.
63240 mi C $485	The crankshaft seal was weaping. No oil noticeable on garage floor. Seal replaced.
69440 mi C $2700	Weaping water pump Struts and shocks Oil pan gasket leaking

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62620 mi C $99	P431 code; scanned with ScanXL ElmScan tool at home and O2 sensor readout showed a failed bank 2 catalytic converter. Was replaced under warranty (which will run out at then end of this month)
70540 mi C $120	The a few ignition coils needed to be replaced, and I also changed a fuel injector. The engine runs like brand new now. No misfires at near max speed.
76260 mi C $100	I suspect one of the welds in the rear pillars above wheels broke. Broken weld noises are so annoying and so hard to fix that some people sell the cars. Best Play: I made a cast around the weld out of expanding foam to deaden the sound. : /
84940 mi C $2000	The front and back brakes were seizing and working erratically. The car would pull to one side a highway speeds.
87080 mi C $460	All 4 control rods that hold the wheels have bushings that were not designed to last the life of the car. It came time for all of this car's bushings to crack and require replacement. The bushings are inseparable from control rods in model.
89160 mi C $179	The transmission on this car overheats and destroys the oil in 50,000 km. I used Seafoam Transmission cleaner, and then had the fluid drained and refilled to resolve atrociously slow shifting.
91140 mi C $250	The belt tensioner is dying and needed to be replaced, a lot of squealing going on. The squealing is still around, but not as bad as before. The A/C pulley was also making a lot of the noise and needed lubrication.
91760 mi C $1000	Passenger side CV joint makes noise, and is loose.
91760 mi C $800	Replaced A/C compressor, recharged A/C, and changed serpentine belt from aftermarket one to an OEM to eliminate squealing.
62000 mi C $1000	Camshaft position retarded on bank 1. Car stalls while driving. Cylinder 1 too lean, cylinder 4 rich; random multi-cyclinder misfire. Engine work done before I bought it (I found out when I took it to Mazda dealer). Will need new engine. Sold.

67400 mi US $550	Bad coil
68500 mi US $100	Replaced failed engine mount
74000 mi US $1348	Had to replace coils. Multiple oil leaks requiring replacement of three gaskets. Driver side front door latch malfunction. Could not open door.
77000 mi US $300	Headliner was starting to hang
82000 mi US $1125	Bad CV boot. Had to replace front axel. Frozen to steering knuckle. Had to replace steering assembly. Bad fan control module

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120000 mi US $120	Lower engine mount failed. The rubber had been ripped through. A replacement (aftermarket) mount was installed that has solid urethane instead of rubber.
126000 mi US $300	Pulley for the water pump seized. Belt and pulley replaced. Water pump was ok.
135500 mi US $500	Oil Leaks.
138000 mi US $1384	Precat (exhaust) needed replacing.

102300 mi US $600	CEL P2135 read about the issue and decided to replace the throttle body due to a TSB issued around 2006
104000 mi US $4000	Engine failed. Cause unknown.

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133300 mi C $3000	Engine replaced with used engine due to impending failure of connecting rod (causing loud internal knocking noise) - same diagnosis from two mechanics
148800 mi C $630	Also repaired 1 seized caliper pin.

170500 mi

C $3000

transmision has started slamming into gear randomly, also neutral safety switch started to act up, then doors auto locked keys in ignition.this car has been very reliable but has had some rust out issues above rear wheels and windows

110000 mi

US $2000

Slipped out of gear while driving, drove home in 2nd gear, but drove fine to shop later. Shop rebuilt main valve body twice insisting that's the problem. 5 wks later got car back supposedly fixed. Wrong. Jerking and rpm's all over the place Shop #2 basically rebuilt entire trans. Rebuild includes torque converter, clutches, band, filter, pump cover, and replaced the valve body shop #1 supposedly rebuilt twice. Valve body came with solenoids.

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85000 mi

US $1500

Cylinder misfire. One of the cylinder was misfiring. Had to change all 6 ignition coils and spark plugs.

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90540 mi

R 3200

normal service, and catalytic convertor engine light constantly on. problem still persists. Too expensive to replace the convertor.

107000 mi

US $2300

Replaced rear cat. Replaced valve cover gaskets

125860 mi

C $3000

catastrophic engine failure leaking seals from duratec V6 causing valvetrain damage and oil blowby oil level critical to check. seals leak as car ages.

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104300 mi US $300	computer programming problem
122900 mi US $1300	replaced the clutch
122600 mi US $1300	replaced the clutch and the flywheel. First clutch lasted 100K miles. Second one made it only about 20K miles. Third one better last.
131100 mi US $650	this is the car's third clutch, put in in Sept. 2012. I didn't like how the pedal action felt, and I took it in. Poor install led to problems with control bushing.

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77000 mi

US $1300

Engine miss at 75K. 3 spark plugs and 3 ignition coils, plus replacing valve cover gasket. Price-1300. major work to replace plugs, including taking off intake manifold. Poor design.

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131000 mi US $450	Evap sensor bad. Not required to smog test in my location, so told I could live with it as repair was more than car was worth. Diagnosis worn spark plugs, misfire #4, bad coil #4, possibly additional sensors issues.
131000 mi US $450	Car kept dying after rain storm. New codes resulted in flashing CEL, All 4 of 6 ignition coils shot. Repair was worth more than car was worth. Cut my losses and sold it to shop for half of value to cover cost of repairs.

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110000 mi

US $1600

Had clutch and oil pan gasket replaced.

82000 mi US $2015	New clutch. New struts. Replaced worn coolant hoses.
93000 mi US $310	Bad ignition coil. Replaced.
101000 mi US $800	Temp gauge going up at idle. Replaced thermostat. Prob remains. Probabaly broken water pump fin, will replace next time, not pressing.

71823 mi US $533	new rear brake pads and rotors, new front brake pads, replaced squeaking front left wheel bearing
90430 mi US $209	new battery, adjusted front left brake calipers due to brake squeaking
120500 mi US $3000	Engine died. I replaced the engine, exhaust manifold, and catalytic converter with used parts.
126500 mi US $440	needed new throttle body
129000 mi US $1000	Needed new catalytic converters.
134000 mi US $300	replaced water pump belt and tensioner, latter preventive
146000 mi US $275	replaced a wheel speed sensor

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96000 mi US $800	Check engine light came on. Some seals needed replaced, and the PCV valve was cracked. Also put on 4 new tires, and oil change. / tune up.
109000 mi US $3900	Engine replaced with rebuilt, warranty engine

68000 mi

US $1400

Intake manifold gasket failure caused Check Engine Light and rough running/idle at low speed. Very costly repair, apparently very common with Mazda/Ford 2.3L 4 cyl engine. Also reflashed ECU to resolve open TSB/recall notice.

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See TrueDelta's information for all Sedans, Hatchbacks, and Wagons.

See TrueDelta's information for all Mazda models.

Expensive Mazda Mazda6 repairs by problem area

Mazda Mazda6 repair cost distribution

2016 Mazda Mazda6 4dr Sedan

2015 Mazda Mazda6 4dr Sedan

2014 Mazda Mazda6 4dr Sedan

2014 Mazda Mazda6 4-door

2011 Mazda Mazda6 4dr Sedan

2010 Mazda Mazda6 4dr Sedan

2010 Mazda Mazda6 4dr Hatch

2009 Mazda Mazda6 4dr Sedan

2009 Mazda Mazda6 4dr Sedan

2009 Mazda Mazda6 4dr Sedan

2009 Mazda Mazda6 4-door

2007 Mazda MazdaSpeed6 4dr Sedan

2007 Mazda Mazda6 4dr Wagon

2007 Mazda Mazda6 4dr Sedan

2007 Mazda Mazda6 4dr Sedan

2007 Mazda Mazda6 4dr Sedan

2007 Mazda Mazda6 4dr Hatch

2006 Mazda MazdaSpeed6 4dr Sedan

2006 Mazda Mazda6 4dr Wagon

2006 Mazda Mazda6 4dr Wagon

2006 Mazda Mazda6 4dr Sedan

2006 Mazda Mazda6 4dr Sedan

2006 Mazda Mazda6 4dr Hatch

2006 Mazda Mazda6 4dr Hatch

2006 Mazda Mazda6 4dr Hatch

2005 Mazda Mazda6

2005 Mazda Mazda6 4dr Wagon

2005 Mazda Mazda6 4dr Sedan

2005 Mazda Mazda6 4dr Sedan

2005 Mazda Mazda6 4dr Hatch

2005 Mazda Mazda6 4dr Hatch

2004 Mazda Mazda6

2004 Mazda Mazda6 4dr Wagon

2004 Mazda Mazda6 4dr Sedan

2004 Mazda Mazda6 4dr Sedan

2004 Mazda Mazda6 4dr Sedan

2004 Mazda Mazda6 4dr Hatch

2004 Mazda Mazda6 4dr Hatch

2004 Mazda Mazda6 4dr Hatch

2003 Mazda Mazda6

2003 Mazda Mazda6 4dr Sedan

2003 Mazda Mazda6 4dr Sedan

2003 Mazda Mazda6 4dr Sedan

Mazda Mazda6 Expensive Problems