2009 Mazda Mazda6 Mazda Mazda6 2009

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2009 Mazda Mazda6 repairs by problem area

Engine (18%)

Transmission and Drivetrain (10%)

Brakes and Traction Control (5%)

Suspension and Steering (10%)

Electrical and Air Conditioning (30%)

Paint, Rust, Leaks, Rattles, and Trim (17%)

Other (9%)

Chart based on 214 repairs.
See TSBs and recalls for the 2009 Mazda Mazda6.

2009 Mazda Mazda6 engine repair cost distribution

$2500+ (3%)

$1000 - $2499 (8%)

$500 - $999 (0%)

$100 - $499 (28%)

< $100 (62%)

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

Chart based on 39 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2009 Mazda Mazda6 4dr Sedan

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

24000 mi new electrical circuits(???) to stop dash and nav lights from going out after car wash or heavy rains. also key fob not recognized...fixed. Also adjusted auto headlights to most sensitive position 
2000 mi Fuel pump replaced 
81000 mi

US $120
Exhaust gasket leaking 
94300 mi

US $115
Exhaust leak 
8000 mi Apparently there is a TSB for a purge valve? My car sounded like a diesel from when I took delivery of it, more so from outside the car when idling. Loud tapping/knocking sound. Parts dept diagnosed it as a purge valve. To be replaced under warranty. 
9000 mi Excessive noise at idle, diagnosed as a purge valve, parts were ordered and took 4 weeks to arrive, dealer installed/replaced parts, problem solved. 
15000 mi Once car is warmed up I have an erratic idle. Dealer checked fuel pressure and fuel maps and cleaned throttle body. Sent me home. Problem resurfaced next day. 
15600 mi Car returned for erratic idle. Dealer checked fuel pressure, replaced fuel pump relay, replaced throttle body, replaced alternator, reset fuel trims and replaced the powertrain control module. Idle is fixed and now rock steady. 
93000 mi

US $1200
Air would intermittantly blow hot. Replaced radiator and tstat. Didnt repair...replaced fan module. 
67000 mi blown head gasket did not repair total loss. 
38000 mi

US $360
Purge valve solenoid replaced. Part no. CA07-20-370H 
44000 mi

US $400
Throttle Body Harness replaced. 
71000 mi

US $20
Rear left/driver side exhaust bolts sheared off. Muffler and pipes are fine. Bolts needed to be removed and replaced. Maybe due to salt thaw of the midwest. 

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2009 Mazda Mazda6 4dr Sedan

170-horsepower 2.5L I4 6-speed manual FWD

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! 
139500 mi

C $287
Rusted exhaust gasket between resonator and muffler where pipes join 
1240 mi PCM flash 
37200 mi

C $30
Oil and transmission fluid change 
4500 mi brought car in again for hesitation/misfire issue. Mazda put data recorder on it, but claims that engine performing as designed. Possibily proceeding with lemon law claim as car appears to have design defect.  
80800 mi

US $200
connection rusted out - local muffler shop welded it back together. 
9920 mi The check engine light would not go out and engine would idle at different revs while in park and sounded like a diesel. Dealer diagnosed and fixed the problem by reflashing the ECM. 

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2009 Mazda Mazda6 4dr Sedan

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

86000 mi The valve cover gasket was leaking oil so it was replaced. 
89800 mi

US $50
Replaced the serpentine belt 
30000 mi The check engine light would not go out. Dealer diagnosed emission system issue and fixed the problem. 
47000 mi

US $300
Check engine light will not stay off after numerous trips to Mazda dealers over the past four years. 
74000 mi

US $425
thermostat found to be failing, sticking open and shut. Thermostat and cover replaced, coolant replaced. 
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. 
9300 mi Engine light on. Part related to emissions control replaced. Engine light is off now. 
45880 mi Just changing the computer parts 
3720 mi

C $50
car hesitating, needed computer update 
10540 mi transmission chip reflash, car shifts more smoothly now; recall 
28520 mi Mazda exhaust system! A 5o cent bolt holding together a gasket connecting muffler to exhaust system broke. Dealer charged one hour labour because they had to punch out old bolt. 
50840 mi

C $200
Gasket replacement in exhaust system. Perennial problem with Mazda 6 and 626 series back to the early 1990s. I have owned four of them, all had the same problem. 
8300 mi High pitched squeaking noise from the water pump. 
77200 mi

US $350
muffler sounded loud. There was a loose part that had to be replaced not the muffler or pipes...i.e clamps/bolts 
83800 mi

US $86
Rattle coming from under the car during acceleration. Determined to be rotted heat shield. This part was determined to be non essential and the part was removed and disposed of. 
53000 mi I had noticed the smell of fuel near the right rear side, by the door. Dealer did a number of checks and tests, could't find anything wrong. I paid for 1/2 hour labor. The smell is still there, however, and I will be returning. 
41000 mi

US $100
Muffler clamp and securing bolt fell off. Had to be replaced. Caused muffler to rattle. 
58000 mi Oil cover leaking. 

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2009 Mazda Mazda6 4-door

6-cylinder diesel manual 2WD

63000 mi

£5000
Big end failure. Car scrapped at only 64k 

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

2009 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 2009 Mazda Mazda6 problems occur, check out our car reliability stats.