Operation CHARM
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Pontiac
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1988
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Lemans FWD L4-98 1.6L
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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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Testing and Inspection
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Scan Tool Testing and Procedures
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Positions
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PROM ID
PROM ID
In this position, information is used for assembly verification only.
PROM
ID is useful only when the vehicle is equipped with the original ECM and PROM or MEM-CAL.