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Toyota
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1990
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Supra 7M-GE, Automatic
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - Tests W/Codes - EFI
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Code 52 - Knock Sensor Signal
Code 52 - Knock Sensor Signal
Probable Causes
ECU
Knock Sensor or Sensor Circuit
NOTE:
Diagnostic chart not available from manufacturer.