| 1 | 0 | 3 | 4 | 3 | 4 |
2005 Infiniti G repairs by problem area
Engine (33%)
Transmission and Drivetrain (9%)
Brakes and Traction Control (9%)
Suspension and Steering (17%)
Electrical and Air Conditioning (20%)
Paint, Rust, Leaks, Rattles, and Trim (6%)
Other (5%)
Chart based on 270 repairs.
2005 Infiniti G engine repair cost distribution
$2500+ (0%)
$1000 - $2499 (12%)
$500 - $999 (6%)
$100 - $499 (29%)
< $100 (53%)
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 Infiniti G 4dr Sedan
298-horsepower 3.5L V6 6-speed manual RWD
| 26000 mi | Vehicle would not rev above 2200rpm, no code present. Dealer could not replicate. |
| 63000 mi US $1400 |
Replaced clutch, was worn, and flywheel. 450 for labor, rest for parts. Previous owner (I purchased at 51k miles) drove car in te city a lot, I'm guessing this led to problem. |
| 137000 mi US $85 |
Exhaust leak near O2 sensor, heat shield rattling caused hole. |
| 82000 mi | The infamous Nissan oil consumption issue. Nissan in their infinite wisdom put "low tension" rings in this engine, allegedly they save a few fractions of ml of fuel per mile. But the rings are too loose in the bore, so oil gets sucked in |
2005 Infiniti G 4dr Sedan
280-horsepower 3.5L V6 5-speed shiftable automatic RWD
| 137000 mi US $7 |
Replaced oil cooler gasket due to small oil leak near oil filter. |
| 171000 mi US $199 |
Ignition coils |
| 136400 mi C $400 |
Replaced rusted muffler and mid pipe with prime condition used parts. Mid pipe from a 2004 coupe. |
| 47000 mi US $58 |
Oil drip from under car. |
| 123500 mi US $40 |
Replaced belts |
| 141000 mi US $93 |
Replaced radiator and thermostat. Bottom of radiator had cracked and was leaking. |
| 260000 mi US $300 |
Replaced crankshaft position sensor |
| 182000 mi US $500 |
Radiator replacement. |
| 200000 mi | Had a new water pump installed had all belts replaced Had emergency brake shoes replaced Had the throttle body cleaned |
| 32000 mi | Timing chain tensioner in the engine had to be replaced. Fixed, but SES came back on. Replaced all hydraulic stuff on top of engine including variable cam sprockets and they crossed their fingers. I believe they tried the variable timing module before that. Three trips to get it fixed. |
2005 Infiniti G 4dr Sedan
280-horsepower 3.5L V6 5-speed shiftable automatic AWD
| 96280 mi C $63 |
Issues with Intelligent Key system. |
| 82600 mi US $16 |
Serpentine belt needed tightening. Changed oil filter rotated balanced aligned tires. |
| 64000 mi US $175 |
P0455 code on service engine light on -major evaporative leak. Purge control valve on evaporator canister failed - common on many Nissan vehicles. Part cost is about $115, but will install myself. Exhaust intermediate pipe to muffler joint failed due to corrosion. Unrepairable with both parts requiring replacement at a cost of >$1000 plus labor. Seeking alternatives, eg used parts. Disappointed in the Infiniti over this exp. faiure. Used muffler purchased for $50. Monro able to salvage intermediate pipe joint so repair total $175 compared to >$1000 with new OEM parts. |
| 64000 mi US $99 |
Purge control valve on evaporative canister replaced with new part by self. |
| 68000 mi US $295 |
Flange between mid pipe and muffler corroded for second time in 2 years. Independent mechanic repaired with kit. |
| 69000 mi | Cooling fans failed with possible overheating. Dealer quoted $1355 to repair - declined. |
| 70000 mi | Car had overheated due to cooling fan failure. Mechanic diagnosed head damage and about $2500 to repair. Sold the car to the mechanic instead. |
| 70000 mi | radiator leaking coolant. dealer said could not find. replaced radiator as it had a leak in it. fixed under repair. |
| 93000 mi | Service engine soon light came on, read code as PO172, cleaned MAF |
| 47120 mi C $200 |
Major evap leak. Control valve replaced. |
| 48980 mi C $275 |
Resonator (exhaust system) had hole, had to replace |
| 71920 mi C $250 |
Evap Canister |
| 68000 mi US $70 |
Car barely started & ran incredibly rough. Completely surprising, as this thing runs like a top. It was low on oil, which may be result of taking it to jiffy lube. Put oil in car, ran it a bit. it's been fine since. ? |
| 117200 mi US $250 |
Cam position sensor replaced |
| 83080 mi C $15 |
Exhaust leak around flange that connects muffler to exhaust pipe. Pipe to flange rusted through around weld seam - same problem I had with 2004 FX35. Cut tubing on both sides of flange and replaced flange with 2.5" OD repair connector. |
| 88660 mi | MIL on, P0455 code indicated major emissions system leak. Replaced gas cap but that didn't solve problem. Removed and cleaned evaporative emissions control valve and checked function, then re-installed. All okay now. |
| 99360 mi C $80 |
MIL on, P0455 code indicated major emissions system leak. Had previously cleaned evaporative emissions control valve and re-installed. Problem returned to replaced valve. |
| 132060 mi C $10 |
Leaking oil cooler. Replaced oil cooler O-ring. Tail pipe to muffler connection rusted out. Repaired with wide stainless steel band clamp. |
| 132906 mi C $15 |
Heat shield seams on catalytic converters rusted out. Repaired with SS band clamps to stop shields from vibrating. |
| 274000 mi US $35 |
P0422 Evap System Large leak, replaced Charcoal canister vent control valve. cleared check engine light |
| 76300 mi US $150 |
Rattling heat shields on catalytic converters. Dealer put a clamp around them. |
| 110000 mi | Belt needed replacement |
| 81100 mi C $1200 |
Warning light on dash related to emissions control system, sensor replace and light went out. |
| 76260 mi C $1500 |
Vent control valve failed. Required replacement. |
| 135000 mi US $175 |
Replaced worn fuel damper - was causing loud knocking noise. |
| 35000 mi | Fuel sensor malfunction. Car drove normally. Sensor replaced under warranty |
| 56000 mi | Gas tank would not fill all the way. Shutter valve replaced. Check engine light on. Vent thing replaced. |
| 206000 mi US $600 |
Replaced radiator |
| 120000 mi US $1600 |
Car rapidly overheating. Problem with thermostat? ...item that coordinates cooling with the radiator. Radiator flushed. |
| 38000 mi | Check engine light came on in sep, bought a new sensor, CEL back on so brought back to shop. They fixed, light back on again. |
| 39000 mi US $400 |
Engine light back on. |
| 101000 mi US $550 |
Throttle/Pedal sensor |
| 103700 mi US $372 |
Camshaft position sensor failure |
| 131000 mi US $275 |
Cam position sensor failure. |
| 173000 mi US $75 |
Camshaft position sensor, again! |
2005 Infiniti G 2dr Coupe
298-horsepower 3.5L V6 6-speed manual RWD
| 127000 mi US $450 |
Thermostat was replaced. |
| 128000 mi US $1300 |
Radiator, thermostat, hoses and coolants were replaced. |
| 72500 mi US $77 |
Had small leak in coolant system (loose hose clamp). Shop found leak, replaced crappy OEM spring clamp with worm-gear hose clamp. Flushed & filled w/new coolant (genuine Nissan fluid). |
| 85800 mi US $130 |
Code P0340, "Camshaft Position Sensor "A" Circuit Bank 1 or Single Sensor". Replaced passenger-side camshaft position sensor, the problem went away. Part: Carquest CSS1594, $90. Spent $40 for mechanic to pull sensor since it was stuck. |
| 100000 mi US $160 |
Replaced both accessory belts. Interior sides of belts were showing minor cracks. |
| 109814 mi US $200 |
Replaced Exhaust Valve Timing (EVT) Camshaft Positioner Sensor (CPS), Bank 1 (passenger side). ODB code was P1078. |
| 114070 mi US $300 |
Code P1272 (Air Fuel Ratio Sensor 1 Bank 1 Circuit, no activity). Replaced oxygen (O2) sensor, upstream of catalytic converter. |
| 81700 mi US $1500 |
Clutch began to slip, consensus seems to be it goes between 70,000 and 90,000 miles. No other issues. |
| 64000 mi US $15 |
Oil pooling where spark plugs are. Valve cover being replaced under power-train warranty. However, spark plugs had to be supplied by me, the customer, but spark plug installation was free. I will pick up the car when they call me. |
| 53000 mi | After starting an oil consumption test, it was deemed that my engine was over-consuming oil. The service advisor ordered me a new engine and scheduled an install date. |
| 20000 mi | Fuel Gauge never reading full. |
| 66000 mi US $60 |
Car began overheating,replaced thermostat and coolant to resolve issue. |
| 30000 mi | Engine Burning Excessive Oil: Engine Replaced With Factory New Engine. |
| 34500 mi US $200 |
Found 1 broken radiator fan, replaced under warranty... Recommended/replaced 2 belts for $200 (my mechanic says no way that was needed). |
| 59000 mi | Oil consumption.. needed new engine. |
| 59000 mi | Oil Consumption, Motor was replaced |
| 47000 mi US $800 |
Replaced mass airflow sensor and the overtemperature sensor(s). |
| 51000 mi US $370 |
Rattle in engine bay noise during shifting and normal driving. |
| 101000 mi US $405 |
Fan motor failed |
| 106600 mi US $1427 |
Cam sensor |
| 83000 mi US $97 |
Reset idle due to Firestone not cleaning injecters correctly. |
2005 Infiniti G 2dr Coupe
280-horsepower 3.5L V6 5-speed shiftable automatic RWD
| 41000 mi | Car went into limp mode while driving, drastically reducing engine power. Error codes said Throttle Pedal Assembly, so whole assy replaced. Same problem happened again and Throtle body assy replaced. Problem happened again & at dealer now The Throttle Pedal Assy replaced ($570 my cost), the Throttle Body Assy replaced (dealer paid), then wiring harness inspected. A small area of wire was chafed and shorting, apparently causing the error codes. After repair (dealer's cost) ok. |
| 74400 mi C $1560 |
Replace Bank 1 A/F Sensor |
| 99200 mi C $1658 |
Replaced valve cover gaskets as requirec Replaced oil cooler O ring gaskets Replaced oil pressure switch as required Replace spark plugs |
| 48000 mi | Oil cooler ring leaking, pwrtrain warranty repair |
| 12000 mi | MAF sensor replaced |
| 115000 mi US $5 |
The plate? Above my muffler was ratteling alot when AC was on, or just sitting with the engine running. Noticed a few of the screws had been missing due to corrosion, so I replaced the screws. |
| 133569 mi US $50 |
Exhaust rusted out at cat converter. Replaced about 5 inches of piping. |
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