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1986 Pontiac Firebird 5.0L Poor Idle Quality, MIL Lamp on
Posted to GM Driveability on 1/4/1999

car came into shop with a code 42 est. upon checking all of customers repairs I experenced the car when it acted up, car fell on its face cel no power idled rough,would barely get out of its own way. checked complete system out and replaced 4 wire connector at...

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Message Closed w/FIX

car Vehicle Data

1986 Pontiac Firebird

VIN 1G2FW87F0G
Engine5.0 L / 8 cyl
Emissionsfed
SymptomsPoor Idle Quality, MIL Lamp On
OccursIntermittently
Misc.Rebuilt Engine

Trouble Codes

42est
Message Closed w/FIX

car Vehicle Data

1986 Pontiac Firebird

VIN 1G2FW87F0G
Engine5.0 L / 8 cyl
Emissionsfed
SymptomsPoor Idle Quality, MIL Lamp On
OccursIntermittently
Misc.Rebuilt Engine

Trouble Codes

42est