Operation CHARM
: Car repair manuals for everyone.
Home
>>
GMC Truck
>>
1997
>>
Safari Van 2WD V6-4.3L VIN W
>>
Repair and Diagnosis
>>
Powertrain Management
>>
Fuel Delivery and Air Induction
>>
Specifications
>>
Idle Speed
Idle Speed
Controlled by an Idle Speed Control (ISC) motor or an Idle Air Control (IAC) valve.