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2012 Infiniti QX56 5.6L MIL Lamp on
Code p0171. Replace driver side air fuel ratio [...] drive vehicle, code p0174 occur . Replace passenger side air fuel ratio sensor. Test drive vehicle and code p0171 occur again. Both old a/f ratio sensor was black. Long term fuel trim stuck at 41 percent...
FIX posted 11/5/2020
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Message Closed w/FIX
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9 Replies Received
9 Replies Received
Related Documents & Media | VIN | JN8AZ2NF5C |
| Engine | 5.6 L / 8 cyl / GAS |
| Trans | 7-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
Message Closed w/FIX
Vehicle Data
2012 Infiniti QX56
| VIN | JN8AZ2NF5C |
| Engine | 5.6 L / 8 cyl / GAS |
| Trans | 7-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
Video