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1994 GMC G3500 Rally 5.7L Poor Idle Quality, Hesitation
Posted to GM Driveability on 6/9/2003 3 Replies

This van idles fast all the time. ([...] rpm) The IAC counts are 50-60 in park with all accessories off. As soon as I put it in gear the counts max out at 150. Now I am using the OTC scan tool and the throttle % reading is showing 10-15% at closed throttle, bu...

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Message Closed w/FIX

car Vehicle Data

1994 GMC G3500 Rally

VIN 1GTEV14H4F
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
SymptomsPoor Idle Quality, Hesitation
OccursAlways
Message Closed w/FIX

car Vehicle Data

1994 GMC G3500 Rally

VIN 1GTEV14H4F
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
SymptomsPoor Idle Quality, Hesitation
OccursAlways