2001 Infiniti QX4 3.5L MIL Lamp on, lean exhaust bank 1
This vehicle came in with check engine lite and a code of P0171 lean bank 1. The o2 was flat lined so I replaced it and sent the car on it's way. 3 days later the lite came on again same code. The o2's were both moving fine but the bank 1 was more active as it...
FIX posted 10/19/2009
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Message Closed w/FIX
Vehicle Data2001 Infiniti QX4
Trouble Codes
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Message Closed w/FIX
Vehicle Data
2001 Infiniti QX4
VIN | JNRDR07Y51 |
Engine | 3.5 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp on, Lean Exhaust Bank 1 |
Occurs | Not Applicable |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |