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1986 Pontiac Firebird Trans Am 5.0L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall
Posted to GM Driveability on 9/7/2004 8 Replies

Car came in for a surge complaint at higher cruise [...] fuel pressure low and would drop off to nothing after key shut off. Replace fuel pump and pulsator. Road test and car lost power and would hardly move. Recheck fuel pressure and delivery o.k. Inspect and...

8 Replies Received (View Replies)

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car Vehicle Data

1986 Pontiac Firebird Trans Am

VIN 1G2FW87F8G
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / PFI
EmissionsFED.
SymptomsPoor Idle Quality, Hesitation, Surge, Cuts Out, Stall
OccursOn Accel, Idle, After a Hot Soak
Misc.Pfi

Trouble Codes

42Electronic spark timing
Message Closed w/FIX

car Vehicle Data

1986 Pontiac Firebird Trans Am

VIN 1G2FW87F8G
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / PFI
EmissionsFED.
SymptomsPoor Idle Quality, Hesitation, Surge, Cuts Out, Stall
OccursOn Accel, Idle, After a Hot Soak
Misc.Pfi

Trouble Codes

42Electronic spark timing