| 1 | 0 | 3 | 4 | 3 | 4 |
2005 Mazda Mazda6 repairs by problem area
Engine (49%)
Transmission and Drivetrain (13%)
Brakes and Traction Control (4%)
Suspension and Steering (13%)
Electrical and Air Conditioning (13%)
Paint, Rust, Leaks, Rattles, and Trim (2%)
Other (6%)
Chart based on 142 repairs.
2005 Mazda Mazda6 engine repair cost distribution
$2500+ (3%)
$1000 - $2499 (9%)
$500 - $999 (22%)
$100 - $499 (36%)
< $100 (30%)
Chart based on 67 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
2005 Mazda Mazda6
Engine not specified
| 73000 mi US $700 |
EGR value failure.....this is in the owners Manuel that EGR need to be inspect in 75,000miles |
2005 Mazda Mazda6 4dr Wagon
215-horsepower 3.0L V6 6-speed shiftable automatic FWD
| 49600 mi C $350 |
air intake hose cracked |
| 30500 mi | A ticking noise under acceleration was repaired under a technical service bulletin. |
| 43400 mi C $800 |
Dealer cleaned out carbon buildup they claimed was in FI system, didn't feel like arguing about it |
| 88040 mi C $600 |
For a few months, heard rattling when accelerating under load. MIL was lit, dealer read out the codes. Code indicated a lean condition. On diagnosis, intake snorkel was cracked, allowing in more air than the MAF could sense. Dealer replaced. Engine has been occasionally shuddering under load and at idle. One of the codes read out during this diagnosis indicated a few misfires on one cylinder. Dealer recommended spark plugs be replaced. |
| 92460 mi C $800 |
While driving on the highway, traction control light came on, and coolant temp gauge started going crazy. Got off the highway, parked and watched coolant drain out. Serpentine belt tensioner had failed, killed the belt, both were replaced. Replaced plugs, in keeping with previous recommendation relating to shuddering under load. |
| 72000 mi US $600 |
Something with cylinders |
| 52000 mi US $570 |
o2 sensor went bad and air boot cracked |
| 52000 mi | minor oil leak |
| 179800 mi C $125 |
Replaced Spark plugs and Coil overs Misfire on No. 1 cylinder |
2005 Mazda Mazda6 4dr Wagon
215-horsepower 3.0L V6 5-speed manual FWD
| 37200 mi | Fan module replacement. |
| 125860 mi C $430 |
CEL issues, - would not start, crimped wire connections No parts replaced |
2005 Mazda Mazda6 4dr Sedan
215-horsepower 3.0L V6 6-speed shiftable automatic FWD
| 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 |
| 78000 mi US $650 |
Radiator plug cracked or something. Replaced radiator plug and fan. |
| 152000 mi US $50 |
Oil in coolant- mechanic said not head gasket, and didn't seem concerned. I'm inclined to think a head gasket is cracked somewhere, possibly from a time the car overheated. |
2005 Mazda Mazda6 4dr Sedan
215-horsepower 3.0L V6 5-speed manual FWD
| 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. |
| 71000 mi US $220 |
Engine noise at low RPM on T-giving day. I drove it ~100 miles home, no change in noise, no other symptoms. Parked for a week, then took it to shop. Crank seal had failed, leaked out most of the engine oil. Seal replaced. Noise abated. |
| 72000 mi US $200 |
Transmission torque arm broke. |
| 85000 mi US $200 |
Water pump pulley bearings were going. Pulley replaced. |
| 85600 mi US $150 |
Idler pulley was making noises, so I had it replaced. |
| 89000 mi US $220 |
Needed to replace one coil. |
| 90000 mi US $45 |
Plugs. |
| 94000 mi US $25 |
Loose clamp on flex hose. Removed. |
| 94000 mi US $320 |
Ignition coil threw CEL code. I replaced all of them for prevention. |
| 25420 mi | Check engine light came on. Needed to replace solenoid in engine bank. |
2005 Mazda Mazda6 4dr Sedan
160-horsepower 2.3L I4 4-speed shiftable automatic FWD
| 108000 mi US $350 |
The thermostat was stuck open. |
| 71000 mi | Had to replace engine, out of warranty |
| 74000 mi US $205 |
Air intake tube torn... |
| 105000 mi US $215 |
Belt tensioner went bad |
| 112800 mi US $122 |
Bad cylinder 5 changed all spark plugs and no.5 ignition coil, replaced all upper intake gaskets |
| 121000 mi US $40 |
Ignition coil #6 was bad |
| 104560 mi C $13 |
Engine would stall and restart under low speed driving,engine light would come on.Replaced gas cap. Fixed problem and car drives better than ever! |
| 122760 mi | new thermostat |
| 179180 mi C $80 |
Exhaust |
| 60140 mi C $113 |
Thermostat was weak, temp would drop to about 1/4 of the gauge when the engine was being revved/highway. Replaced thermostat, flushed coolant. Changed transmission fluid - shift quality improved, no more hard shift into 2nd gear |
| 72540 mi C $550 |
Replaced fuel pump |
| 63100 mi | Engine light came on. With scan tool indicated MAP sensor issue. Unable to locate sensor to further diagnose. Will be taking to mechanic to diagnose & repair |
| 53320 mi C $130 |
Repair completed by self, with correct part (MAP sensor) ordered from dealership. previous repair trip to mechanic resulted in replacing of incorrect part (barometric pressure sensor) which was located behind battery vs. MAP in intake man. |
2005 Mazda Mazda6 4dr Hatch
215-horsepower 3.0L V6 6-speed shiftable automatic FWD
| 129000 mi | Tensioner pulley wore so much it shredded the belt. Car shut off, coolant exploded from reservoir. Replaced pulley, belt, and coolant. |
| 69500 mi US $390 |
EGR valve bad. Replaced and intake cleaned. |
| 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) |
| 78600 mi US $420 |
Needed new coil. This one coil is under the intake manifold. That had to come off first. |
| 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. |
| 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 |
| 152700 mi US $1393 |
replace fan control unit, |
| 199000 mi US $300 |
The transmission mount was broken and needed to be replaced. This issue was discovered during the repair and was not the reason the car was brought in. |
2005 Mazda Mazda6 4dr Hatch
215-horsepower 3.0L V6 5-speed manual FWD
| 70700 mi | Bought the car used. Had an issue with ignition coil when purchased - repaired by dealership at no cost. |
| 34000 mi | I noticed leaking oil in the garage. They reported that it was a bad oil pan seal and would have to be ordered and replaced. |
| 34200 mi US $400 |
The oil pan gasket was replaced. They said it was expensive because the exhaust system had to be lowered to access it. |
| 43300 mi US $60 |
I had an engine light, I took it to a Ford dealer, and their system said it was an gas tank evap code. They cleared it and it hasn't come back since. |
| 194000 mi | Rod bearing pieces showing up in oil. Replaced rod bearings. Need to also replace exhaust (with upgrade to 2006 MY configuration). |
| C $150 | Badly stuck lifter. Was repaired with degreaser. |
2005 Mazda Mazda6 4dr Hatch
160-horsepower 2.3L I4 5-speed manual FWD
| 79360 mi C $500 |
Faulty fuel pump had to be replaced. Numerous trips to the dealer were required as they could not replicate problem if the car had over 1/4 tank of gas. |
| 125000 mi US $269 |
Thermostat was stuck open. It was replaced. |
| 196000 mi US $1500 |
Replaced catalytic converter |
| 140300 mi US $868 |
Clutch was releasing high and didn't feel crisp. Was replaced. Price includes clutch lining, which was a wear item (I don't have parts breakdown.) |
| 141000 mi US $930 |
Valve cover gasket was leaking, requiring replacement of ignition coil in Cylinder #1. Valve cover gasket, ignition coil, spark plugs replaced. Right muffler detached due to corrosion. Repair subcontracted out to independent exhaust shop, repaired without replacing parts. |
| 149300 mi US $70 |
P0128 code and some stalling when engine not warmed up, in cold weather last winter. Replaced thermostat. |
| 151700 mi US $413 |
Replaced PCV valve, PCV hose, intake manifold gasket, as an attempt to stop a problem with oil consumption (1 qt / 400 miles). This didn't seem to help the problem much, if at all. |
| 155000 mi US $40 |
Lower motor mount (torque strut) rubber was cracked. Replaced it. |
| 157000 mi | High oil consumption never fixed. |
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