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1989 Pontiac Firebird Trans Am 5.7L Hesitation, Surge, Stall
Posted to GM Driveability on 10/24/1998

Vehicle has an intermitant surge/hesitation and poping out of intake. When symptom is occuring scan readings are:

blm 160 o2 .04 and flat line inj 1.5ms

TPS sweeps good, MAF shows no glitches and voltage increases smooth. Ignition timing good, fuel pressur...

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car Vehicle Data

1989 Pontiac Firebird Trans Am

VIN 1G2FW2182K
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / efi
Emissionsobd1i
SymptomsHesitation, Surge, Stall
OccursCold, Hot, on Accel, Intermittently
Misc.Trans Am Tuned Port Injection
Message Closed

car Vehicle Data

1989 Pontiac Firebird Trans Am

VIN 1G2FW2182K
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / efi
Emissionsobd1i
SymptomsHesitation, Surge, Stall
OccursCold, Hot, on Accel, Intermittently
Misc.Trans Am Tuned Port Injection