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3" Exhaust
Join Date: Feb 2010
Location: Oregon
Posts: 225
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Is this the right answer??
Code 52 indicates that a knock sensor went bad or it is no longer getting a signal. If your engine is knocking or pinging the ECU will retard timing on its own to compensate, it WILL NOT throw a light. Plus code 52 puts your car into a safe mode, since the ECU isn't getting a reading from the KS it goes into a safe mode where the timing gets fully retarded to keep ya from detonating and possibly doing damage. Quote:
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