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Home › Mitsubishi › 1993 › Precis Standard › Repair and Diagnosis › Engine Performance › System › Engine Controls - Tests W/Codes › Diagnostic Tests › Code 21: Coolant Temperature Sensor Failure › Notes

Code 21: Coolant Temperature Sensor Failure: Notes

NOTE: If after all testing procedures have been completed, system is still inoperative, substitute ECM with known good unit and retest.
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