P0325 OBD II Trouble Code Knock Sensor Circuit Malfunction

Symptoms of P0325 OBD II Trouble Code

  • The knock sensor is faulty and needs to be replaced
  • There is a wiring short/fault in the knock sensor circuit

Common Causes of P0325 OBD II Trouble Code

  • Check the resistance of the knock sensor (compare it to factory specs)
  • Check for broken/frayed wires leading to the sensor
  • Replace the knock sensor