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2008 Chevrolet Impala LT 3.5L MIL Lamp on
Posted to GM Driveability on 3/12/2011 12 Replies

We have checked the O2 sensor, isolated the purge valve, and checked fuel pressure and come up with no reason for bank 1 to be running so rich (LTFT -21). Bank 2 pid is not available on our scan tool. Not really sure what will be our next step to figure this o...

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  Related Documents & Media  2008 Chevrolet Impala LT

 
Message Closed w/Summary

car Vehicle Data

2008 Chevrolet Impala LT

VIN 2G1WT55K68
Engine3.5 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0172Fuel System Too Rich (Bank 1)
Message Closed w/Summary

car Vehicle Data

2008 Chevrolet Impala LT

VIN 2G1WT55K68
Engine3.5 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0172Fuel System Too Rich (Bank 1)