Q: Engine code P0325.

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My Accord displayed a Check Engine light with a code P0325.

Hello, p0325 is a code for a Knock Sensor Circuit Malfunction. There is either a sensor fault or the wiring for the sensor to the engine control unit is shorted or has an open circuit. The first thing to check would be the wiring from the engine control unit to the sensor. If the wiring checks out ok then a sensor will probably need to be replaced.

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