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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.
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.
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.
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.
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.