Operation CHARM
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Pontiac
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1983
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J2000/Sunbird L4-112 1.8L
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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
Engine Control Module
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Description and Operation
Testing and Inspection
Chart C-1 ECM Replacement Check - C3 System
Checking Control Module For Bad Solder Joints
Locations
Service and Repair
ECM PROM, Replace
Electronic Control Module (ECM) Replacement
Engine Control Module (ECM) Replacement
Throttle Body Fuel Injection
ECM, Replace
PROM or Mem-Cal Replacement
Diagrams
C-3 System
With Throttle Body Fuel Injection
Technical Service Bulletins
