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1987 Pontiac Firebird 2.8L Poor Idle Quality, Hesitation, Misfire
Posted to GM Driveability on 6/10/1999

Car lost power on freeway and has a history of running rough. Last visit regapped plugs from .035 to .045 and set timing to 8* btdc. Car ran good for a month. Now it has no power, idles rough like plug wires mixed up (they aren't). Accelerates rough off...

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car Vehicle Data

1987 Pontiac Firebird

VIN 1G2FS21S9H
Engine2.8 L / 6 cyl
EmissionsCA
SymptomsPoor Idle Quality, Hesitation, Misfire
OccursAlways, on Accel, Idle
Misc.Multi-Port EFI
Message Closed w/FIX

car Vehicle Data

1987 Pontiac Firebird

VIN 1G2FS21S9H
Engine2.8 L / 6 cyl
EmissionsCA
SymptomsPoor Idle Quality, Hesitation, Misfire
OccursAlways, on Accel, Idle
Misc.Multi-Port EFI