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1997 Chevrolet C3500 7.4L Poor Idle Quality, high idle
Posted to GM Driveability on 12/6/2002 4 Replies

HELLO :This truck came in idling around 1800 rpm,checked IAC coil winding A & B around 40 [...] ahead and replaced IAC because someone was tapping on it,this still didn't help my idle [...] my OTC idle control valve tester ,i was able to control idle up & down...

4 Replies Received (View Replies)

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Message Closed w/FIX

car Vehicle Data

1997 Chevrolet C3500

VIN 1G2NE52T2X
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, High Idle
OccursAlways, Idle
Message Closed w/FIX

car Vehicle Data

1997 Chevrolet C3500

VIN 1G2NE52T2X
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, High Idle
OccursAlways, Idle