Operation CHARM
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GMC Truck
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1991
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Syclone V6-262 4.3L Turbo
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Idle Speed/Throttle Actuator - Electronic
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Service and Repair
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Idle Air Control Valve/Coolant Cover Assembly
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Install or Connect
Install or Connect
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Throttle Body
to intake plenum as described under "Throttle Body."
Throttle Body