Operation CHARM
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Pontiac
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1987
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Fiero L4-151 2.5L
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Repair and Diagnosis
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Powertrain Management
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Engine Control Module
Engine Control Module
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Description and Operation
Electronic Spark Timing (EST)
Throttle Body Fuel Injection
Testing and Inspection
Locations
ECM Power Harness
Electronic Control Module (ECM)
Service and Repair
Engine Control Module (ECM) Replacement
Port Fuel Injection
Throttle Body Fuel Injection
Diagrams
Specifications
Technical Service Bulletins
