| 1 | 0 | 3 | 4 | 3 | 4 |
2011 Infiniti M repairs by problem area
Engine (16%)
Transmission and Drivetrain (6%)
Brakes and Traction Control (6%)
Suspension and Steering (9%)
Electrical and Air Conditioning (42%)
Paint, Rust, Leaks, Rattles, and Trim (17%)
Other (5%)
Chart based on 200 repairs.
2011 Infiniti M engine repair cost distribution
$2500+ (3%)
$1000 - $2499 (3%)
$500 - $999 (13%)
$100 - $499 (20%)
< $100 (60%)
Chart based on 30 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
2011 Infiniti M 4dr Sedan
420-horsepower 5.6L V8 7-speed shiftable automatic RWD
| 48500 mi US $530 |
SES light came on, Infniti dlr. tried to fix, charged $410, failed to fix. Nissan dealer corrected Infiniti work, $120. Fix worked. Was a gas cap. Car is great, Infiniti is not. |
| 99000 mi US $155 |
ECM reflash, was throwing CEL for Manifold Pressure. |
| 39500 mi | Idle controller was reset. On rare occasions, the car would start and immediately turn off. |
| 52000 mi | Replaced timing chain. Coolant hose damaged by dealer in previous repair. |
| 83000 mi US $1800 |
Driver's side catalytic converter replaced. |
| 85000 mi US $800 |
Replaced fuel pump |
| 10000 mi | Car engine-braked when taking foot off the pedal in Sport mode, had jerky starts from stop, and exhibited uneven acceleration/gears. ITB11008 was installed to reprogram the ECM/TCM so that the car would drive more smoothly and predictably. |
2011 Infiniti M 4dr Sedan
420-horsepower 5.6L V8 7-speed shiftable automatic AWD
| 79000 mi | After my timing chain recall visit, the tech got air in the coolant system. Had to have system bled. |
| 136200 mi US $200 |
Just the welding of my mufflers as the pipe leading to them rusted and snapped. |
| 18500 mi | Service Engine Light came on. Car started running rough. ECM was reprogrammed. Dealer said there was a TSB for this issue. |
| 31040 mi | timing belt technical bulletin |
| 45500 mi | Check Engine Soon light came on and engine idle increased fr 400rpm to 1000rpm. Dealer stated they reprogramed ECM as part of TSB 12-018. Seems to have fixed the prob. |
| 56000 mi | Failed emissions inspection - dealer replaced gas cap. Dealer also updated ECM/TCM transmission software because of acceleration lag. |
| 80000 mi US $3800 |
Bad sensor on camshaft |
| 6000 mi | Rough / Agressive downshifting of transmission, transmission holding low gears while coasting, rough idle. Addressed via TSB software reflash of ECM |
| 14500 mi | Service Engine Soon light came on. Dealer had to replace Air Fuel sensor |
| 13700 mi US $212 |
Service Engine Soon light on. Dealer recommended Fuel Injector and Intake flush. Vibration / high idle and rough shifting. Dealer also updated ECM software |
| 96100 mi C $40 |
serpentine belt tensioner bearing |
| 88040 mi C $700 |
Valve timing control solenoid |
| 35000 mi US $145 |
Replaced squealing belts |
2011 Infiniti M 4dr Sedan
330-horsepower 3.7L V6 7-speed shiftable automatic RWD
| 63000 mi | Oil Leak. - Lower oil pan was resealed |
| 26200 mi | Replaced BCM Module - car out of service for 2 weeks while part ordered from Japan. |
| 29200 mi | Emissions control - loose gas cap alert triggered service engine soon warning. No problem found. |
| 129000 mi US $431 |
Replace intake air tube, driver side |
| 58700 mi US $750 |
Mass air flow sensor went bad, replaced both |
| 77000 mi US $265 |
Serpentine belt replaced. |
2011 Infiniti M 4dr Sedan
330-horsepower 3.7L V6 7-speed shiftable automatic AWD
| 34000 mi | Failed #6 fuel injector. Warranty repair: Injector replaced, exhaust valves replaced, cylinder head replaced. Repair done over Thanksgiving holiday-would have been 5-6 days normally. |
| 29760 mi | Out of town trip car suddenly slowed down and started jerking. Transmission kept shifting up and down. Would not go over 60 K/hr.Called road side assist response was great. Trucked 250 KM to toronto. Two air flow sensors replaced. |
| 1300 mi | Faulty gas cap caused service engine soon light to come on. |
| 62000 mi US $60 |
Fuel cap needs to be turned to click three times so it seals properly, but this is not written anywhere on the vehicle so I did not know about this requirement until the service associate told me. |
| 4000 mi | transmission reflashed |
See TrueDelta's information for all Infiniti models.
