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Optima L4-2.4L VIN 3
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Repair and Diagnosis
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Engine Control Module
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Service and Repair
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Engine Control Module: Service and Repair
REMOVAL
1.
Turn the ignition switch off and disconnect the battery (-) terminal.
2.
Disconnect the ECM connector (A).
3.
Unscrew 4 mounting bolts behind the air cleaner.
4.
Remove the ECM.