| 1 | 0 | 3 | 4 | 3 | 4 |
2006 Infiniti FX repairs by problem area
Engine (39%)
Transmission and Drivetrain (4%)
Brakes and Traction Control (10%)
Suspension and Steering (14%)
Electrical and Air Conditioning (20%)
Paint, Rust, Leaks, Rattles, and Trim (11%)
Other (1%)
Chart based on 70 repairs.
2006 Infiniti FX engine repair cost distribution
$2500+ (0%)
$1000 - $2499 (24%)
$500 - $999 (12%)
$100 - $499 (44%)
< $100 (20%)
Chart based on 25 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
2006 Infiniti FX 4dr SUV
320-horsepower 4.5L V8 5-speed shiftable automatic AWD
| 92000 mi US $145 |
Eval purge valve replaced |
| 130000 mi US $3 |
A vacuum line cracked causing the variable length intake runners to be stuck in high RPM mode, causing a stumble at 3,500 RPM and low power below 4K |
| 142000 mi US $250 |
Engine fan developed cracks and was coming apart |
| 148000 mi US $200 |
Passenger side valve cover gasket. |
| 152000 mi US $250 |
Drivers side valve cover leak |
| 163000 mi US $300 |
Two idler pulleys - one was squeaky. |
| 204000 mi US $400 |
O2 sensors |
2006 Infiniti FX 4dr SUV
280-horsepower 3.5L V6 5-speed shiftable automatic RWD
| 85000 mi US $150 |
Replaced a bad o2 sensor |
| 92000 mi US $1450 |
Replacing leaking valve cover gaskets, valve covers, and another oil gasket at the bottom |
| 53940 mi | We had a radiator fan replaced as one had stopped working. |
2006 Infiniti FX 4dr SUV
280-horsepower 3.5L V6 5-speed shiftable automatic AWD
| 109000 mi US $1400 |
O2 sensor |
| 109300 mi US $1600 |
Spark plugs and valve cover gaskets A second O2 sensor |
| 109000 mi US $500 |
Radiator and thermostat. |
| 112000 mi US $100 |
Replaced exhaust gasket that was rusted |
| 88300 mi US $1100 |
Exhaust flange rusted out. Replaced with straight pipe. Common in rust belt states. |
| 91200 mi US $500 |
P0345 camshaft sensor fault. Replaced with third party part |
| 112000 mi US $300 |
Illinois winters rusted heat shield clamps out, and added some holes to the exhaust pipe. Removed shields and welded pipe back together. |
| 81000 mi US $750 |
Dealer replaced bad muffler |
| 79000 mi US $60 |
exhaust leak at union in pipe between resonator and muffler. muffler shop cut out the leaking joint and welded in a piece of pipe. |
| 102000 mi US $150 |
engine immobilzer shutting down ignition - bad wire in steering column |
| 107000 mi | mounts for heat shields on exhaust rusted through and caused the loose shild to rattle while engine ran. Muffler shop cut the loose shields off and rattle stopped |
| 129000 mi US $100 |
oil cooler seal replaced |
| 118000 mi US $1000 |
Exhaust rusted through at muffler inlet weld |
| 129000 mi US $1200 |
Radiator had leak. Dealer replaced radiator, cap, and thermostat. |
| 129000 mi | engine overheating at stoplights Shop found indication of a leak in the heads (hydrocarbons in coolant). Said the engine has so many miles on it, it would be better to replace the engine for $10,000. |
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