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1991 Pontiac Sunbird LE 3.1L MIL Lamp on
Posted to GM Driveability on 9/20/2003 5 Replies

See related repairs first. Have a hard code 43, turns MIL on in 10 seconds after [...] tried multiple used and reman ecm's, installed new prom, new knock sensor, have rechecked diagnostics over and over, can't reason why this hard code is present with nothing ...

5 Replies Received (View Replies)

  Related Documents & Media  1991 Pontiac Sunbird LE

 
Message Closed w/FIX

car Vehicle Data

1991 Pontiac Sunbird LE

VIN 1G2JB51T4M
Engine3.1 L / 6 cyl / GAS
Trans3-speed Automatic
DeliveryFI / MPI
EmissionsFederal
SymptomsMIL Lamp On
OccursAlways, Hard Code 43
Misc.A/C P/S P/B No ABS

Trouble Codes

43ESC problem
Message Closed w/FIX

car Vehicle Data

1991 Pontiac Sunbird LE

VIN 1G2JB51T4M
Engine3.1 L / 6 cyl / GAS
Trans3-speed Automatic
DeliveryFI / MPI
EmissionsFederal
SymptomsMIL Lamp On
OccursAlways, Hard Code 43
Misc.A/C P/S P/B No ABS

Trouble Codes

43ESC problem