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1992 Pontiac Firebird 3.1L Poor Idle Quality
Posted to GM Driveability on 7/22/1999

I need some help. We have this firebird in the shop. After a 15-20 second idle the engine starts running extermely lean. The O2 sensor has been changed, it works well at cruise speed, but flatlines at idle. Blocklearn and integrater are around 128 at cruis...

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car Vehicle Data

1992 Pontiac Firebird

VIN 1G2FS23T7N
Engine3.1 L / 6 cyl
EmissionsFederal
SymptomsPoor Idle Quality
OccursAlways, Idle
Message Closed

car Vehicle Data

1992 Pontiac Firebird

VIN 1G2FS23T7N
Engine3.1 L / 6 cyl
EmissionsFederal
SymptomsPoor Idle Quality
OccursAlways, Idle