Operation CHARM
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GMC Truck
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1983
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K 2500 3/4 Ton Pickup 4WD L6-292 4.8L VIN T 1-bbl
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Repair and Diagnosis
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A L L Diagnostic Trouble Codes ( DTC )
A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
Chart C-4A Ignition System Check
Chart C-4C EST Performance Check