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1992 Pontiac Firebird 3.1L Poor Idle Quality, Surge
Posted to GM Driveability on 7/24/2000

Engine had high idle problem, no control output to slow IAC down. Installed new ecu, checked IAC resistance (52 ohms) and sent out. Back a week later with high idle. Replaced IAC and ECU for second time.....back a week later with the same problem. Checked harn...

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Message Closed w/FIX

car Vehicle Data

1992 Pontiac Firebird

VIN 1G2FS23T8N
Engine3.1 L / 6 cyl
Emissionsobd1
SymptomsPoor Idle Quality, Surge
OccursIdle
Message Closed w/FIX

car Vehicle Data

1992 Pontiac Firebird

VIN 1G2FS23T8N
Engine3.1 L / 6 cyl
Emissionsobd1
SymptomsPoor Idle Quality, Surge
OccursIdle