| 1 | 0 | 3 | 4 | 3 | 4 |
2004 Infiniti G repairs by problem area
Engine (35%)
Transmission and Drivetrain (3%)
Brakes and Traction Control (9%)
Suspension and Steering (22%)
Electrical and Air Conditioning (23%)
Paint, Rust, Leaks, Rattles, and Trim (4%)
Other (5%)
Chart based on 386 repairs.
2004 Infiniti G engine repair cost distribution
$2500+ (5%)
$1000 - $2499 (9%)
$500 - $999 (18%)
$100 - $499 (37%)
< $100 (31%)
Chart based on 123 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
2004 Infiniti G
Engine not specified
| 181000 mi US $200 |
Had been overheating and losing power. Had to have the thermometer replaced. |
| 64000 mi US $450 |
Rusted exhaust (resonator and muffler) |
2004 Infiniti G 4dr Sedan
280-horsepower 3.5L V6 6-speed manual RWD
| 109120 mi C $250 |
Exhaust leak at the flexible connections just after the exhaust manifold |
| 119660 mi C $1000 |
Muffler separated from the exhaust pipe. As the entire system was getting old, replaced it from the cat converters back. |
| 136400 mi C $130 |
Fuel line developed a slight leak. Shop cut out rotten section and installed a custom patch. |
2004 Infiniti G 4dr Sedan
280-horsepower 3.5L V6 5-speed shiftable automatic RWD
| 98100 mi US $150 |
Oil cooler failed, had it replaced/rebuilt |
| 111000 mi US $1500 |
Radiator replaced |
| 15500 mi | acceleration sensor replaced under warranty |
| 95880 mi | Temperature sensor replaced. |
| 183520 mi C $2500 |
Replace heater core Replace exhaust |
| 195300 mi C $2900 |
Replaced crankshaft sensors and camshaft sensors. |
2004 Infiniti G 4dr Sedan
260-horsepower 3.5L V6 6-speed manual RWD
| 157000 mi US $700 |
Radiator developed a leak in the filler tube |
| 190000 mi US $440 |
Variable valve timing solenoids were leaking. No other option but to replace |
| 55000 mi US $1300 |
Radiator ruptured and had to be replaced. |
| 180000 mi | Needed new clutch. Still on original at 183,500 miles. |
| 120000 mi US $560 |
clutch replace |
| 56000 mi | Catalytic converter replaced. |
| 121000 mi US $2615 |
Replace valve cover gaskets. Replace fuel damper |
| 129000 mi US $225 |
Reseal engine pan due to oil leak |
| 137826 mi US $63 |
Replace Oil Filter Housing due to oil leak |
| 143191 mi US $60 |
Weld Exhaust Bracket |
2004 Infiniti G 4dr Sedan
260-horsepower 3.5L V6 5-speed shiftable automatic RWD
| 128000 mi US $500 |
Replaced a leaking radiator, hoses and thermostat. |
| 134000 mi US $12 |
engine code p0221, diagnosed as variable valve timing solenoid. Cleaned solenoid and replaced the gasket. |
| 110800 mi US $140 |
Cam Positioning Sensor Passenger side |
| 124800 mi US $950 |
Replaced B1 and B2 CAM sensors |
| 29000 mi US $22000 |
TPS code triggered. Dealer fixed by replacing throttle body under warranty. |
| 144900 mi US $1500 |
the upper and lower oil pan was leaking oil. removed the upper and lower oil pan replaced the silicon based sealant. While the sub frame was off I replace the tie rod ends, compression rods, ball .joint and rack and pinion |
| 86000 mi US $475 |
Replaced left and right cam sensors. Replaced cranksensor. |
| 97000 mi US $809 |
Replaced leaking radiator, thermostat, hoses, and battery. |
| 119300 mi US $550 |
Radiator leaking, split at seam. Had to be replaced. |
| 126000 mi US $100 |
Bad radiator cap |
| 77000 mi US $62 |
camshaft position sensor bank 1. passenger side sensor. code p0340 |
| 67000 mi US $250 |
electric cooling fans replaced under extended factory warranty |
| 122000 mi US $2900 |
Replaced pulleys (2) and did regular maint for 120K: replaced coolant, brake fluid, tranny fluid, power steering fluid, differential gear oil, and all belts. Car continues to run extremely well. Now just creaking a bit. They had to replace the o-rings on cylinders 5 and 6 due to oil seepage. This is a common issue with this car. This required replacing the head gasket and taking the top end off (a $6-700 price tag). |
| 154000 mi US $987 |
Replaced Y pipe and all parts down to exhaust tip. Original exhaust system was the original. |
| 99000 mi US $280 |
TPS sensor went bad. Have to replace throttle body. |
| 100000 mi US $400 |
Accelerator pedal postion sensor was bad. Replace pedal and sensor. |
| 129500 mi | Replaced cam sensor on bank one, passenger side. |
| 139000 mi US $150 |
Replaced both cam sensors after the car was hesitating. Got an error code and purchased sensors at autozone. Easy fix. |
| 141000 mi US $356 |
Throttle position sensor malfunction, high idle. High idle |
| 149000 mi US $100 |
Radiator leak at top of plastic housing. Replaced radiator. |
| 155000 mi US $200 |
Replaced leaking valve covers. Replaced leaking oil cooler gasket. New ignition coils |
| 85000 mi | oil pan gasket leaking, took to shop to get a new gasket installed. The leak was fixed. |
| 97000 mi US $300 |
Engine running rough and check engine light came on. Number 1 cylinder had a broken ignition coil. Replaced coil and everything was fine. |
| 110000 mi | removed and cleaned the throttle body.The car was not running the way it should. It only took about one hour to repair the problem. I could not believe how dirty it was. |
| 85300 mi US $400 |
Leak in oil cooler. |
| 188000 mi | Replaced Mass Air Boot replaced oil cooler gaskets |
2004 Infiniti G 4dr Sedan
260-horsepower 3.5L V6 5-speed shiftable automatic AWD
| 75000 mi US $800 |
During a MD state inspection, a hole due to rust in the muffler was found. Consequently, the muffler had to be replaced. |
| 63200 mi US $845 |
Throttle body problem, would have eventually led to stalling, perhaps no start. |
| 78000 mi US $360 |
Very hard starting. Had fuel injector service/cleaning, etc. and battery charge. Also oil change and full check of systems. |
| 118000 mi US $975 |
Replaced the radiator. It developed a leak. Overall, this car has been very unreliable. |
| 128000 mi US $1600 |
Replaced exhaust and muffler behind catalytic converters. |
| 81840 mi C $800 |
Crack in center muffler- replaced with OEM part |
| 125500 mi US $1525 |
Replaced catalytic converter While in for other issue, found valve cover gaskets leaking and had them replaced. |
| 124000 mi US $375 |
Ended up replacing MAF, took 2 trips to diagnose and repair. |
| 200800 mi US $241 |
R & R radiator , change belts , |
| 49000 mi US $800 |
throttle body and sensor replaced ($800) |
| 79500 mi | Oil leak by oil filter/cooler |
| 83300 mi US $990 |
Replaced valve cover gaskets along with replacement of spark plugs as oil was leaking onto coils. Only cost of valve cover gaskets included in repair ($550) |
| 132000 mi US $1200 |
Replaced radiator and thermostat - upper radiator seal failed |
| 70000 mi US $600 |
Gas leak |
| 110000 mi US $295 |
Replace radiator. Self install. |
| 142000 mi US $438 |
Replace Catalytic converters. |
| 37920 mi C $400 |
Exhaust resonator needed to be replaced. |
| 63860 mi C $100 |
Replaced cam position sensor on bank 2 |
| 76880 mi C $150 |
Repaired flange on exhaust, welded in new piece. |
2004 Infiniti G 2dr Coupe
280-horsepower 3.5L V6 6-speed manual RWD
| 53940 mi | engine knocking fuel tank sensor off calibration (cant fill up to full) |
| 23000 mi | Both fuel senders replaced. The fuel gauge would not go to full after filling the tank. This repair was fully covered under the original warranty. |
| 22000 mi | * Unreportable; happened before joined: Bad fuel sender in gas tank. Dealership replaced under original factory warranty. |
| 107000 mi US $120 |
Stalled & Check Engine Light. ODBII read Camshaft Sensor Bank 1 and Bank 2. Difficult to start. Replaced both and reset. Idled rough for approx 5 minutes and runs/starts fine now. |
| 57300 mi | Replaced cracked drive and ac belts |
| 10036 mi | Fix fuel tank sensor - warranty |
| 16211 mi | Fix fuel tank float - warranty Fix broken driver's seat mount |
| 32000 mi US $840 |
Fuel gauge problems. Replaced bad fuel tank sending unit (sensor). |
| 39100 mi US $200 |
Replaced fuel pressure regulator assembly |
| 78000 mi | Oil leaking into spark plug tube (cylinder #5) valve cover replaced. Replaced by dealer under 60 day or 1200 mile used car warranty. |
| 168000 mi | Oil consumption 1 quart every 1500 miles well known issue with the vq35 engine. |
| 151000 mi US $125 |
Replaced MAF |
| 164300 mi US $2100 |
Replaced clutch lasted 105k miles |
2004 Infiniti G 2dr Coupe
280-horsepower 3.5L V6 5-speed shiftable automatic RWD
| 91140 mi | Crankshaft sensor replacement |
| 95160 mi | Crankshaft sensor replacement |
| 100440 mi C $60 |
Replaced the air filter it was already worn out it had a slit throat. |
| 113460 mi C $650 |
Replaced spark plugs and valve covers and gasket |
| 181000 mi US $3300 |
One of my pistons broke down and destroyed my engine |
| 22692 mi | Replace throttle chamber under warranty |
| 32000 mi US $305 |
CEL came on and car had a slight roughness at idle. Shop read codes (2) and cleaned throttle body, replaced air filter, replaced coil and plug on #6 cyl. This is the only repair to date - car runs fine now. |
| 33200 mi US $785 |
2nd ign. coil failure in short period of time - replaced the other 5. Shop couldn't believe the 2nd one failed in such low mileage. Runs like new now. |
| 37000 mi | One of the coils that was replaced last year failed (yellow light). Replaced by shop under warranty. Coils (all) are NAPA items. Shop believes that not driving the car enough is the problem. No other codes. No engine or other mods. Always top tier premium gas, Techron. Stabil during winter layover. Car is a garage queen. |
| 91000 mi US $99 |
CEL light u1001(canbus), p1574(vss), p0462(fuel level sensor), p0500(vss). CEL p1168(bank1 sensor 1) in the same month. CEL was not cleared but is no longer present. ALL of the 02 sensors will be replaced @ 100K as preventative maintenance OIL found on spark plugs in 3 cylinders. I replaced the spark plugs seals with an aftermarket solution. I also replaced the plugs, valvecover gaskets, PCV valve, cleaned throttle body and maf sensor, reset ecu and did an idle relearn. |
| 49000 mi US $195 |
Replaced thermostat |
| 65000 mi | Service Engine Soon light came on. Throttle body had to be replaced. |
| 94700 mi US $1118 |
Replaced valve covers because they were leaking oil into the spark plugs. |
| 112000 mi US $350 |
Replaced both Camshaft Position sensors to fix an oil leak. |
| 112500 mi US $300 |
Repaired oil leak. |
| 119000 mi US $1200 |
Needed several new exhaust parts. |
| 138000 mi US $463 |
Exhaust was loud, replaced Y-pipe |
| 157000 mi US $1700 |
It was leaking coolant. The shop said that the radiator was leaking and replaced it. |
| 158000 mi | It was leaking coolant. Replaced the radiator cap. |
| 158000 mi | It was leaking coolant. Replaced the radiator again. |
| 161000 mi US $800 |
Service Engine soon light caused by failed camshaft position sensors. Sensors were replaced, induction cleaning service performed. |
| 94000 mi US $130 |
Idle air control learning computer reset itself |
| 94000 mi US $1100 |
Replace throttle control module |
| 78000 mi US $210 |
Oil pan leak, |
| 91200 mi US $110 |
Bad oil cooler seal, leaking oil |
| 91000 mi US $350 |
Cracked radiator bad thermostat |
| 110000 mi | blown engine due to burning oil |
| 213100 mi US $53 |
replaced crankshaft position sensor |
| 239300 mi US $150 |
Replaced both cooling fans and shroud after overheat incident. |
| 110360 mi C $788 |
valve cover gaskets, new plugs and new belts |
| 111600 mi C $720 |
new flex pipe |
| 107000 mi US $275 |
The radiator started to leak. Had to replace it. |
| 111000 mi US $4 |
My 04 G wouldn't go no more than 1500 rpm's so I shut down the car and started back ok. Also check light came on so I took it to Auto zone and pulled code(s). It came up with throttle body, pulled it, cleaned with T.B. spray works great. |
| 136000 mi US $724 |
Camshaft sensor need to be replaced |
2004 Infiniti G 2dr Coupe
260-horsepower 3.5L V6 6-speed manual RWD
| 102000 mi US $450 |
Engine appears to burn through oil quickly. Mechanic is attempting see how well an oil additive will help. |
2004 Infiniti G 2dr Coupe
260-horsepower 3.5L V6 5-speed shiftable automatic RWD
| 108100 mi US $260 |
Car gave me the P0345 code after stalling on the highway in traffic. Diagnostic recommended Crankshaft Position Sensor on driver side needed replacing. (Bank 2)Shop replaced this in about 2 hours. |
| 111000 mi US $125 |
Cooling fan stopped spinning on the driver side causing the engine to overheat in traffic after a certain temperature. |
| 45000 mi | Idle trouble, (after being warmed, engine wanted to die upon first restart). Carbon build up found in throttle body, and was cleaned out. Idle valve was “relearned”. |
| 46000 mi | CEL on. TSB performed to reprogram ECM. Intermittently when fueling, gas pump shuts off before tank is finished filling. Tech tried to replicate situation with no success. (This has not occurred since) |
| 161400 mi US $20 |
Thermostat replacement Air intake hose split while replacing air filter |
| 165300 mi US $100 |
Radiator |
| 168000 mi US $700 |
Replace spark plugs and coils Replace catalytic converters |
2004 Infiniti G 2-door
6-cylinder automatic 2WD
| 46000 mi | Throttle body went bad. New one installed under factory warranty. |
See TrueDelta's information for all Infiniti models.
