Operation CHARM
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GMC Truck
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1995
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Safari Van M V6-262 4.3L VIN W CPI
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Repair and Diagnosis
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Powertrain Management
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Tune-up and Engine Performance Checks
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Idle Speed
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Specifications
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Base Idle Speed
Base Idle Speed
The minimum
idle speed
is set at the factory with a stop screw. This screw should not be adjusted.