Operation CHARM
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Chevrolet
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1983
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Impala V6-231 3.8L VIN A 2-bbl
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Repair and Diagnosis
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Relays and Modules
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Relays and Modules - Powertrain Management
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Relays and Modules - Computers and Control Systems
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Engine Control Module
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Technical Service Bulletins
Engine Control Module: Technical Service Bulletins
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Engine - THIS BULLETIN HAS BEEN CANCELED
ECM - Packard 32 Way Connector Identification
ECM/PCM - Damaged and/or Misdiagnosed
A/T - Overheating Diagnosis
Engine Controls - ECM May Contain Wrong PROM
ECM - Revised Replacement Procedure