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1989 Chevrolet P20 Step-Van 5.7L Poor Idle Quality, Hesitation, Surge, Stall
Posted to GM Driveability on 8/27/2008 19 Replies

Customer brought this to me on the hook after he worked on it himself (yeah !!!). It came in crank no start. after we repaired the wiring to the control module it will run poorly and idle will surge like there is a vacuum leak. there are only 4 vacuum ports on...

19 Replies Received (View Replies)

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Message Closed w/FIX

car Vehicle Data

1989 Chevrolet P20 Step-Van

VIN 1GBKP32K7K
Engine5.7 L / 8 cyl / GAS
Trans3-speed Automatic
DeliveryFI / TBI
Emissionsus federal
SymptomsPoor Idle Quality, Hesitation, Surge, Stall
OccursAlways
Message Closed w/FIX

car Vehicle Data

1989 Chevrolet P20 Step-Van

VIN 1GBKP32K7K
Engine5.7 L / 8 cyl / GAS
Trans3-speed Automatic
DeliveryFI / TBI
Emissionsus federal
SymptomsPoor Idle Quality, Hesitation, Surge, Stall
OccursAlways