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1989 Pontiac Firebird 5.0L Poor Idle Quality, Surge, Misfire
Posted to GM Driveability on 6/1/2004 3 Replies

This car runs rough at idle,cold or [...] on light [...] at idle. Compresion is ok 130psi all cyl. no vacuum leaks [...] pressure at specs 39 psi at [...] system [...] happens with the egr disable [...] you in advance.

3 Replies Received (View Replies)

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car Vehicle Data

1989 Pontiac Firebird

VIN 1235467F9K
Engine5.0 L / 8 cyl / GAS
Trans5-speed Standard
DeliveryFI / sefi
Emissionsca
SymptomsPoor Idle Quality, Surge, Misfire
OccursCold, Hot, Idle
Message Closed w/FIX

car Vehicle Data

1989 Pontiac Firebird

VIN 1235467F9K
Engine5.0 L / 8 cyl / GAS
Trans5-speed Standard
DeliveryFI / sefi
Emissionsca
SymptomsPoor Idle Quality, Surge, Misfire
OccursCold, Hot, Idle