2010 Mazda Mazda6 Mazda Mazda6 2010

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2010 Mazda Mazda6 repairs by problem area

Engine (30%)

Transmission and Drivetrain (7%)

Brakes and Traction Control (8%)

Suspension and Steering (8%)

Electrical and Air Conditioning (33%)

Paint, Rust, Leaks, Rattles, and Trim (9%)

Other (5%)

Chart based on 107 repairs.
See TSBs and recalls for the 2010 Mazda Mazda6.

2010 Mazda Mazda6 engine repair cost distribution

$2500+ (3%)

$1000 - $2499 (0%)

$500 - $999 (13%)

$100 - $499 (45%)

< $100 (39%)

Worried about potential repair costs? An extended warranty can provide peace of mind.

Chart based on 31 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2010 Mazda Mazda6 4dr Wagon

170-horsepower 2.5L I4 5-speed shiftable automatic FWD

86800 mi

A $700
Replace 2x engine mounts 

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2010 Mazda Mazda6 4dr Sedan

272-horsepower 3.7L V6 6-speed shiftable automatic FWD

74000 mi

US $100
Check engine light; found and patched small leak. Light came back on a few days later. 
75000 mi

US $274
Check engine light. Diagnosed as a faulty valve, which was replaced. Light came back on a few days later. 
78000 mi

US $101
Check engine light. Similar diagnosis and solution as last time. Light came back on a few days later. 
80000 mi

US $476
Check engine light again. This time took to a local Mazda dealer, and they were able to find the solution: replace leaking emission purge valve. The previous shop refunded all money I had spent on the unsuccessful repair attempts. 
50000 mi

US $300
Engine light due to O2 sensor 
50000 mi

US $439
Replace Oxygen Sensor 

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2010 Mazda Mazda6 4dr Sedan

170-horsepower 2.5L I4 6-speed manual FWD

54100 mi

C $100
Failed O2 Sensor 
29000 mi Engine has a vibration/runs rough around 2000 RPM. 
40800 mi

C $310
I went to my old shop, Honda Gifford Automotive, in Oct and they immediately said belt tensioner about $310. Did it and viola no noise. Dealer will not refund and Mazda said how do we know they were not right about the clutch. 

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2010 Mazda Mazda6 4dr Sedan

170-horsepower 2.5L I4 5-speed shiftable automatic FWD

44000 mi

US $300
Bad O2 Sensor. I attempted to replace the sensor but it was stuck on so badly that they had to drill and retap to replace it. 
111000 mi

US $500
serpentine belt 
135000 mi

US $141
Needed a power train belt replaced. 
75400 mi Transmission fluid and oil leak. 
31000 mi

US $607
Oil leak due to oil pan gasket tear. Covered by CPO warranty. 
83000 mi

US $750
Oil pan leak 
13000 mi very slight squeak present when car at rest and rocked back and forth. Dealer diagnosed noise from exhaust hanger and replaced the hanger per tsb 
46000 mi

US $200
Exhaust "donut" between manifold and front pipe failed again - replaced the donut and mounting hardware to eliminate squeaking/chirping at idle. 
40280 mi

C $325
Replaced faulty (frozen & cracked) module, which managed fuel to fuel injectors. 
32860 mi accessory drive belt failed on the highway suddenly. 
40920 mi

C $120
Twice in several weeks the car lost power, the engine stuttered and trouble lights on the dash flickered. After this the car would not start. After a half hour wait the car started and ran fine. 
44500 mi

C $10
Engine stuttered and died, afterwards it works fine no engine codes. Last visit to the dealer they replaced a mass air flow sensor, problem occurred again. Based on research i cleaned the throttle plate/body. Will wait an see if it worked. 
49060 mi stalled while stopping,started normally. Occurred 3 times before and would not restart for 10-15 mins. shop found no problem the 1st time 2nd time replaced Mass air sensor not fixed. i Cleaned throttle plate seems to have improved.Not fixed. 
55040 mi Engine stuttered and died, then would not restart or started hard. Once started it ran rough and died at idle. Would then randomly work normally. I disconnected the ecu and cam sensor then securely reconnected them. Will probably fail again in 3-6 months. 
69000 mi Some issue with the exhaust flange. It doesn't seem to be fixed. I may have to take it back. 
71100 mi Same noise as earlier from Exhaust. Got it checked again. Left the car overnight with the dealer. They couldn't figure out. Car came back the way it went in but the noise went away for some time. Guess they did something and didn't disclose. 
78000 mi

US $300
Drive belt and tensioner were worn out. Drive belt was cracked. Tensioner was noisy. Had them replaced. P04xx error. Gas cap replacement due to fuel vapors escaping from tank. 
108000 mi exhaust leak and cracked bolt near tailpipe 
84400 mi Replaced both Intake control valves under pzev warranty. Check engine light was on 

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2010 Mazda Mazda6 4dr Hatch

turbocharged 161hp 2.2L I4 Diesel 6-speed manual FWD

90400 mi

€2600
Blown engine due to failure of #4 injector washer 
97960 mi Blown Turbo 

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

2010 Mazda Mazda6 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 2010 Mazda Mazda6 problems occur, check out our car reliability stats.