2011 Infiniti QX56 fuel/propulsion system problems
18 owner complaints filed with NHTSA name the fuel/propulsion system on the 2011 Infiniti QX56 — 23% of all complaints for this model year.
What owners report
“Catalytic Converter, A/F Sensor failed on the interstate when I was driving with kids in the car. Took vehicle to the nearest dealer only to be told that this is a known problem with these vehicles and it was going to cost me $3,100 to repair.”
filed Jun 2, 2023
“While driving my 2011infiniti qx56 to work, the service engine light came on and the vehicle start losing power and shaking.after checking it I had codespoo21,poo87 and poo90. The codes are related to vvt solenoid and high pressure fuel pump.”
filed Jan 18, 2021
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Fuel/propulsion System problems in other QX56 years
| Year | Reports | Share |
|---|---|---|
| 2013 QX56 | 2 | 6% |
| 2012 QX56 | 7 | 12% |
| 2008 QX56 | 3 | 6% |
| 2007 QX56 | 1 | 5% |
| 2006 QX56 | 2 | 3% |
| 2005 QX56 | 12 | 15% |
| 2004 QX56 | 2 | 2% |
Other reported problem areas on the 2011 Infiniti QX56
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.