| 1 | 0 | 3 | 4 | 3 | 4 |
2005 Mazda Mazda3 repairs by problem area
Engine (27%)
Transmission and Drivetrain (9%)
Brakes and Traction Control (7%)
Suspension and Steering (19%)
Electrical and Air Conditioning (20%)
Paint, Rust, Leaks, Rattles, and Trim (12%)
Other (6%)
Chart based on 329 repairs.
2005 Mazda Mazda3 engine repair cost distribution
$2500+ (1%)
$1000 - $2499 (4%)
$500 - $999 (12%)
$100 - $499 (42%)
< $100 (41%)
Chart based on 78 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
2005 Mazda Mazda3
Engine not specified
| 65000 mi US $250 |
My engine light came on, took the car to Mazda to check it and the didn't find anything since light turned off one day before taking in for service in Sept. Three weeks ago, engine light again. Replaced damaged engine mounts. |
2005 Mazda Mazda3 4dr Sedan
160-horsepower 2.3L I4 5-speed manual FWD
| 87000 mi US $350 |
Thermostat stuck in open position - had to replace |
| 139500 mi US $75 |
Thermostat stuck open and was not allowing engine to reach operating temperature. OBD code P0126 and P0128 |
| 57500 mi US $200 |
engine mount rubber torn. mount replaced |
| 57900 mi US $150 |
Radiator thermostat went bad, simple repair. |
| 26000 mi US $50 |
Bad motor mount, recognized by Mazda. Motor mount was replaced. |
| 265000 mi US $35 |
Water pump |
2005 Mazda Mazda3 4dr Sedan
160-horsepower 2.3L I4 4-speed shiftable automatic FWD
| 68000 mi US $370 |
Passenger side engine mount failed. Replaced. |
| 98000 mi US $492 |
Computer code indicated failing thermostat. Went to dealership as was informed that replacing the thermostat alone wouldn't fix the problem - also required PCM update. Had PCM update and thermostat replaced. |
| 105000 mi US $300 |
Replaced thermostat and updated ECU programming with newer version to address part of the issue. |
| 32373 mi US $41 |
Engine would stall out when coming to a stop sometimes. Reflashed powertrain control module per TSB to eliminate problem. |
| 32928 mi | Replaced torque axis engine mount due to burst rubber bladder that caused damping fluid to leak out. Covered by TSB. |
| 43118 mi US $126 |
Engine would stall when coming to a stop. TSB addressed issue, had the throttle body pulled and cleaned due to excessive carbon build up. |
| 50000 mi US $275 |
Check engine light came on, trouble code set indicating the vehicle wasn't getting up to set temperature within 5 minutes. Thermostat was replaced as it was sticking. |
| 120700 mi US $100 |
Check engine light on - code was Failed Engine Knock Sensor. Replaced knock sensor. Also replaced intake manifold, EGR and throttle body o-rings as these parts had to be removed to gain access to knock sensor. |
| 120800 mi | Right side engine mount and transmission mount broken. Replaced both and rear engine mount as well. |
| 162000 mi US $190 |
Rear motor/transmission mount failed. |
| 79760 mi | Amber check engine light came on. Called dealer and was told this is a semi-common issue with Mazda3's with my age and mileage. Issue is caused by degradation of gas cap seal and light will usually turn off as fuel is used. |
| 59000 mi US $100 |
CEL P0126 came on showing that coolant was not getting up to normal operating temperature. Usually indicative of faulty thermostat. Replaced coolant and thermostat to solve issue. |
| 24800 mi | Engine whines they say its normal. |
| 26300 mi | Check Engine light. Code for large evap leak. Replaced purge control solenoid. |
| 28085 mi | Check Engine light. Code for large evap leak. Replaced O2 sensor. |
| 28288 mi | Check Engine light. Code for evap. Purge control solenoid connector loose. 2 weeks later: Check Engine light. Code P0128 low fuel trim. Required PSI, 51-60; in car PSI, 44. Replaced fuel pump under warranty. |
| 37261 mi | Check Engine light. Code P0441 "Evaporative emissions system canister purge valve malfunction". Replaced canister purge valve under warranty. |
| 24000 mi | Discovered oil leaking in garage from engine compartment. Initially suspected engine oil but appeared different upon closer inspection. Inspected engine and discovered fluid leaking from passenger side motor mount. Made appointment with dealer to fix prob Dealer installed new motor mount, issue resolved. |
| 47000 mi | Check engine light on. Turned out some component in the evap system had failed. Successfully repaired with a new part. While in shop, mechanic noticed a damaged motor mount. Replaced under warranty. |
2005 Mazda Mazda3 4dr Sedan
148-horsepower 2.0L I4 5-speed manual FWD
| 35960 mi | Car reving high at idle. Problem was a solenoid valve on intake. it was replace and software updated. |
| 49600 mi | car revving high at idle. problem was a manifold valve. It was replaced. Software updated. |
2005 Mazda Mazda3 4dr Sedan
148-horsepower 2.0L I4 4-speed shiftable automatic FWD
| 62000 mi C $2500 |
Engine mount was replaced. |
| 134200 mi C $200 |
rough running, replaced coil pack |
| 146940 mi C $110 |
exhaust system: rusted parts caused rattling. repaired. |
| 71300 mi C $186 |
Replace right upper engine mount. |
| 19000 mi | Fuel pump replaced under warranty |
2005 Mazda Mazda3 4dr Hatch
160-horsepower 2.3L I4 5-speed manual FWD
| 123000 mi US $29 |
New thermostat needed |
| 51000 mi US $255 |
One of the 3 motor mounts was cracked and needed to be repalced |
| 135000 mi US $2000 |
Piston slap turned into blown motor Clutch slipping. Replaced clutch. |
| 139000 mi | Nothing was done. Possible bad ECM |
| 174000 mi US $100 |
Fuel pump seal was leaking. Fuel system needed to be dropped to access and fix the seal. |
| 178000 mi | A large emissions leak was diagnosed by the OBDII. |
| 180300 mi US $520 |
Faulty seal on fuel tank caused fuel to leak and evap code due to loss of pressure. New seal was installed. The coolant thermostat was stuck open, resulting in low operating temperatures (code P0128). Coolant thermostat was replaced. |
| 183000 mi US $88 |
Engine mount #3 |
| 77000 mi US $510 |
Water pump seal had very minor coolant leak that was watched closely for many months w/o serious problem. Decided to replace pump to avoid possibility of failure on a long road trip. Old pump looked better than expected when removed. |
| 89000 mi US $200 |
One of the motor mounts had lost its damping liquid and had to be replaced |
| 92100 mi US $150 |
A fuel vapor purge valve apparently deteriorated and triggered the check engine light. |
| 35340 mi C $800 |
EVAP pump and purge solenoid valve defective on emissions system. CEL was on |
| 40920 mi C $800 |
EVAP pump and solenoid valve for EMS |
| 62000 mi US $450 |
Bad front engine mount |
| 62300 mi US $200 |
bad rear engine mount |
| 73400 mi US $400 |
Engine mount |
| 172600 mi US $135 |
Also replaced gas cap that was coming apart. |
| 181700 mi US $70 |
Car was hard to start after refueling. Replaced purge valve. |
| 202000 mi US $177 |
Replace thermostat |
| 212725 mi US $46 |
Replaced coolant reservoir due to cracked glue joint |
| 91140 mi C $500 |
Muffler changed from end of catalitic convertor to the tip. Muffler changed from end of catalitic convertor to the tip. |
| 102300 mi C $150 |
Oil filter cap changed. Cause: leaking, cracked |
| 127100 mi | 2 sensors: maf and O2 |
| 65000 mi US $330 |
gas purge valve failed or was not signalling CPU correctly |
| 38000 mi | Engine light continues to come on. I have been told it is due to an oxygen sensor problem and that a new gasoline filler cap would resolve the problem. Unfortunately, this hasn't worked. |
| 106000 mi US $200 |
Oxygen senser |
2005 Mazda Mazda3 4dr Hatch
160-horsepower 2.3L I4 4-speed shiftable automatic FWD
| 77380 mi C $500 |
passenger side engine mount. oil pan gasket. alignment. |
| 64000 mi US $400 |
also engine mount passenger side replaired...broken and engine vibration. |
| 44000 mi US $62 |
Replace thermostat-open early. |
| 57000 mi US $385 |
Thermostat sensor replaced Number 3 motor mount replaced |
| 64000 mi US $505 |
Replace thermostat |
| 44000 mi | Auto transmission would shift very harshly into second gear, especially when cold. |
| 64000 mi US $700 |
Replaced leak detection pump and charcoal canister |
| 83000 mi US $475 |
Replaced thermostat unit |
| 104000 mi | Connecting rod went through engine block, too expensive to repair. |
| 143500 mi US $200 |
Thermostat needed to change replaced. Was overheating |
| 190000 mi US $330 |
Coolant Sensor needed to be replaced. This is my second time I have had to replace the coolant sensor since 2005. |
| 31200 mi $130 |
Broken right hand engine mount |
| 36340 mi $70 |
Transmission mount |
| 145000 mi US $400 |
engine light On, used EDO device, changed OX sensor, but still did not fix problem. when filling gas tank full, it is hard to start and wants to shut off when it does start. after a couple minutes of running, there is No more problems with it, until the next time I fill up the tank |
| 27000 mi | Leaky oil pan gasket |
| 72000 mi US $1300 |
Fuel injector controller and related items replaced. |
| 93000 mi US $2000 |
Broken motor mount |
| 81000 mi US $750 |
Engine running very rough when accelerating or turning right, had to replace 2 engine mounts and a transmission mount. |
2005 Mazda Mazda3 4-door
4-cylinder manual 2WD
| 118420 mi €60 |
Faulty thermostat, stuck open. |
See TrueDelta's information for all Sedans and Hatchbacks.
See TrueDelta's information for all Mazda models.
