Operation CHARM
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Buick
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1983
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Century L4-151 2.5L
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Engine Control Module
Engine Control Module
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Testing and Inspection
Chart C-1 ECM Replacement Check - C3 System
Checking Control Module For Bad Solder Joints
Locations
Service and Repair
Electronic Control Module (ECM) Replacement
PROM or Mem-Cal Replacement
Diagrams
C-3 System
With Throttle Body Fuel Injection
Technical Service Bulletins
