Operation CHARM
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Pontiac
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2000
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Firebird V6-3.8L VIN K
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Repair and Diagnosis
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Powertrain Management
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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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Description and Operation
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Fuel Enable Circuit
Fuel Enable Circuit
The
PCM
reads the fuel enable circuit to determine if fuel injection should be allowed. If the fuel enable signal is not present, the PCM will not allow fuel injection and normal engine operation.