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Home >> Toyota >> 1995 >> Supra 2JZ-GE, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - Non-Turbo >> Diagnostic Testing >> Code 52 - Knock Sensor (Front) Circuit >> Notes

Code 52 - Knock Sensor (Front) Circuit: Notes

CAUTION: If ECM replacement is instructed in following testing, always ensure ECM harness connector and ground circuit are okay. If either are suspect, repair and repeat testing to confirm ECM malfunction.
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