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2000 Pontiac Grand Prix GTP 3.8L MIL Lamp on
Posted to GM Driveability on 2/18/2008 12 Replies

3.8 Supercharged system, runs -22% (rich) all the way across the board, including idle and loaded. If you reset fuel trims with tech 2 it will inch it's way down to -22% rather quickly. Checked mass air reading (cleaned it also), appears appropriate. If I indu...

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  Related Documents & Media  2000 Pontiac Grand Prix GTP

 
Message Closed w/Summary

car Vehicle Data

2000 Pontiac Grand Prix GTP

VIN 1G2WR5211Y
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways
Message Closed w/Summary

car Vehicle Data

2000 Pontiac Grand Prix GTP

VIN 1G2WR5211Y
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways