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1988 GMC R2500 Suburban 5.7L Poor Idle Quality, Stall
Posted to GM Driveability on 2/10/2011 18 Replies

This truck will not idle at all. Stalls and runs real ruff. We have check compression it is 175 all across. We have checked for intake leaks and egr leaks and none found. Plugs are black which seems to be from over fueling. Any help with this would be great th...

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  Related Documents & Media  1988 GMC R2500 Suburban

 
Message Closed w/FIX

car Vehicle Data

1988 GMC R2500 Suburban

VIN 1GKGV26K5J
Engine5.7 L / 8 cyl / GAS
Trans3-speed Automatic
DeliveryFuel Injection / TBI
SymptomsPoor Idle Quality, Stall
OccursIdle
Message Closed w/FIX

car Vehicle Data

1988 GMC R2500 Suburban

VIN 1GKGV26K5J
Engine5.7 L / 8 cyl / GAS
Trans3-speed Automatic
DeliveryFuel Injection / TBI
SymptomsPoor Idle Quality, Stall
OccursIdle