Operation CHARM
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Pontiac
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1988
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J2000/Sunbird L4-121 2.0L
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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/PCM - Damaged and/or Mis-Diagnosed
ECM - Packard 32-Way Connector Identification
ECM - Packard 32 Way Connector Identification
Engine Controls - ECM May Contain Wrong PROM
Engine Controls - Intermittent Connection to the ECM