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2006 Pontiac Grand Prix 3.8L MIL Lamp on
Posted to GM Driveability on 2/19/2014 14 Replies

Customer came in with CEL on found P0172 and performed basic checks found fuel pressure and volume to be normal all engine data looked normal, ECT was correct and HO2S was switching rapidly and would go low and high when induced. The LTFT however would be -20/...

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  Related Documents & Media  2006 Pontiac Grand Prix

 
Message Closed w/Summary

car Vehicle Data

2006 Pontiac Grand Prix

VIN 2G2WP55276
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

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

car Vehicle Data

2006 Pontiac Grand Prix

VIN 2G2WP55276
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

P0172Fuel System Too Rich (Bank 1)