Operation CHARM
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GMC Truck
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1983
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Jimmy Full Size V8-305 5.0L
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Repair and Diagnosis
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A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
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Related Tests, Information and Procedures
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C Charts
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Chart C-1 PCM/ECM Replacement Check
Chart C-1 PCM/ECM Replacement Check
ECM - CHECK CHART:
