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2006 Chevrolet Impala LTZ 3.9L MIL Lamp on
We have this car keeps setting code po171 lean bank1 smoked test engine for vaccum leaks none found fuel pressure is 70 psi.o2 sensor is swithching.i tested mass air flow sensor looked ok but with mileage i decided to install one but no [...] testing the car i...
FIX posted 4/4/2014
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Message Closed
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9 Replies Received
9 Replies Received
Related Documents & Media | VIN | 2G1WU58106 |
| Engine | 3.9 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / MPI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
Message Closed
Vehicle Data
2006 Chevrolet Impala LTZ
| VIN | 2G1WU58106 |
| Engine | 3.9 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / MPI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
Video