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

Code Detection Test Drive

Start engine and run until at normal operating temperature. Turn on A/C. Snap accelerate engine to 5000 RPM 3 times. If a malfunction exists, MIL will illuminate during snap accelerations.