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1988 Pontiac Firebird 5.0L MIL Lamp on
Posted to GM Driveability on 7/30/1998

Vehicle towed in customer suspected a siezed alternator, said it was smoking. Changed alternator due to defective diodes, solved that problem. Test drove, starts and stalls, MIL on set code 33. At idle voltage at terminal 'C' 2.38v fixed. Substituted known goo...

  Related Documents & Media  1988 Pontiac Firebird

 
Message Closed w/FIX

car Vehicle Data

1988 Pontiac Firebird

VIN 1G2FW21F5J
Engine5.0 L / 8 cyl
EmissionsCa Emissions
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

33MAF -Voltage to high
Message Closed w/FIX

car Vehicle Data

1988 Pontiac Firebird

VIN 1G2FW21F5J
Engine5.0 L / 8 cyl
EmissionsCa Emissions
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

33MAF -Voltage to high