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1998 Pontiac Grand Prix GT 3.8L MIL Lamp on
Posted to GM Driveability on 8/25/2008 7 Replies

greetings to all I HAVE THIS PONTIAC SETTING A LEAN CODE I STARTED WITH BASIC CHECKS I CLEANED MASS AIR FLOW,SMOKED TESTED THE ENGINE TWICE,CHECKED FUEL PRESSURE AT IDLE 50 PSI AND I ALSO DROVE IT 40 MILES WITH NO FUEL PRESSURE DROP. THE O2 SENSOR IS SWITCHING...

7 Replies Received (View Replies)

  Related Documents & Media  1998 Pontiac Grand Prix GT

 
Message Closed w/FIX

car Vehicle Data

1998 Pontiac Grand Prix GT

VIN 1G2WP12K8W
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / mpi
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
Message Closed w/FIX

car Vehicle Data

1998 Pontiac Grand Prix GT

VIN 1G2WP12K8W
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / mpi
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0171Fuel System Too Lean (Bank 1)