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Home › Mazda › 2003 › Protege5 Standard › Repair and Diagnosis › Engine Performance › System › Engine Controls - Self-Diagnostics › Diagnostic Tests › DTC P0325: Knock Sensor Circuit Malfunction › Possible Causes

Possible Causes

Connector or terminal malfunction.
KS malfunction.
Open or short circuit between KS and PCM.
PCM malfunction.