
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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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) |