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1993 Pontiac Firebird Formula 5.7L Hesitation
Posted to GM Driveability on 10/22/2012 8 Replies

I have this firebird in here with a loss of power when taking off and feels really sluggish. wide open throttle is ok, it seems like idle vac a little low for sea level, but idles fine. To me it acts like the timing is retarded, this engine has opti spark and ...

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car Vehicle Data

1993 Pontiac Firebird Formula

VIN 2G2FV22PXP
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFuel Injection / sefi
Emissionsus fed
SymptomsHesitation
OccursAlways, Under Load
Message Closed

car Vehicle Data

1993 Pontiac Firebird Formula

VIN 2G2FV22PXP
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFuel Injection / sefi
Emissionsus fed
SymptomsHesitation
OccursAlways, Under Load