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1991 Pontiac Firebird Trans Am 5.0L Poor Idle Quality
Posted to GM Driveability on 5/7/1999

Idle fluctuates approx. 100-200 rpm sometimes more in drive slight throttle adjustment allowed no fluctuations in gear, but still rough in Park

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car Vehicle Data

1991 Pontiac Firebird Trans Am

VIN 1G2FW23F9M
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / Tuned Port Injection
SymptomsPoor Idle Quality
OccursHot, Idle
Message Closed

car Vehicle Data

1991 Pontiac Firebird Trans Am

VIN 1G2FW23F9M
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / Tuned Port Injection
SymptomsPoor Idle Quality
OccursHot, Idle