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1989 Chevrolet Pickup 5.7L Poor Idle Quality, Hesitation
Posted to GM Driveability on 2/10/1998

Hello Group Problem is idles up and down real fast when engine is cold also has some hesitation until warmed up and in closed loop, replaced fuel pump and filters and cleaned throttle body and replaced gasket and did idle relearn. Any help would be great. Than...

 
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car Vehicle Data

1989 Chevrolet Pickup

VIN 1GTDC14KOL
Engine5.7 L / 8 cyl
SymptomsPoor Idle Quality, Hesitation
OccursCold
Message Closed

car Vehicle Data

1989 Chevrolet Pickup

VIN 1GTDC14KOL
Engine5.7 L / 8 cyl
SymptomsPoor Idle Quality, Hesitation
OccursCold