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1987 Pontiac Fiero GT 2.8L Excessive Emissions, Hesitation, Stall, Misfire
Posted to GM Driveability on 9/4/2003 4 Replies

this car backfire in exaust when you give it gas when the scanner is not plug in. idle okay.i plug in the snap on scanner and when i go to codes and data the engine backfires run bad at idle. new computer and proms, same thing occures. the car ran fine then wa...

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car Vehicle Data

1987 Pontiac Fiero GT

VIN 1G2PG1194H
Engine2.8 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFI / sefi
Emissionsobd1
SymptomsExcessive Emissions, Hesitation, Stall, Misfire
OccursCold, Hot, Under Load, on Accel, Idle
Message Closed w/FIX

car Vehicle Data

1987 Pontiac Fiero GT

VIN 1G2PG1194H
Engine2.8 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFI / sefi
Emissionsobd1
SymptomsExcessive Emissions, Hesitation, Stall, Misfire
OccursCold, Hot, Under Load, on Accel, Idle