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1995 GMC C2500 5.7L Poor Idle Quality, Surge
Posted to GM Driveability on 5/4/2000

OTC scanner hooked up to check codes: None were found. Engine idles up and down from 650rpm to approx. 1200rpm at times. Not always. Checked for vaccum leaks. None were found. With scanner hooked up, went to back up fuel system on monitor. When back up fuel is...

 
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car Vehicle Data

1995 GMC C2500

VIN 1GTFC24K55
Engine5.7 L / 8 cyl
EmissionsNot OBD-II Compliant
SymptomsPoor Idle Quality, Surge
OccursIdle, Intermittently
Misc.Pickup
Message Closed

car Vehicle Data

1995 GMC C2500

VIN 1GTFC24K55
Engine5.7 L / 8 cyl
EmissionsNot OBD-II Compliant
SymptomsPoor Idle Quality, Surge
OccursIdle, Intermittently
Misc.Pickup