2011 Infiniti M Infiniti M 2011

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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.
See TSBs and recalls for the 2011 Infiniti M.

2011 Infiniti M engine repair cost distribution

$2500+ (3%)

$1000 - $2499 (3%)

$500 - $999 (13%)

$100 - $499 (20%)

< $100 (60%)

Worried about potential repair costs? An extended warranty can provide peace of mind.

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. 

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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 

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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. 

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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 

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2011 Infiniti M Engine Problems

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2011 Infiniti M problems occur, check out our car reliability stats.