Operation CHARM
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GMC Truck
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1988
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K 3500 Truck 4WD V8-350 5.7L
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Repair and Diagnosis
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Powertrain Management
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Fuel Delivery and Air Induction
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Idle Speed
Idle Speed
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Adjustments
Idle Speed
Carbureted
Fuel Injection
Minimum Air Rate - Fuel Injection Only
Specifications
Controlled Idle Speed / IAC Counts
Under 8500 GVW, Controlled Idle Speed / IAC Counts
Over 8500 GVW, Controlled Idle Speed / IAC Counts
Minimum Idle Air Rate
Over 8500 GVW, Minimum Idle Air Rate
Under 8500 GVW, Minimum Idle Air Rate
Technical Service Bulletins
