2009 Vw Jetta 2.5 Knock Sensor Replacement

Where is the knock sensor located on a VW Jetta?

A knock sensor is often located bolted on the center of the wall of the cylinder block. via

What happens if you unplug knock sensor?

Disconnecting it will not give you any direct data. If there is a real knock problem, you could end up damaging the engine. Second, if there is an issue with the knock sensor itself, you'd most likely get a trouble code of P0325, which is about a circuit malfunction. via

Will knock sensor cause no start?

Hello. A bad knock sensor will not keep your car from starting. The knock sensor's purpose is to detect the sounds of pre-ignition in a running engine and convert it to a signal for the electronic control unit (ECU) so that the ECU can retard the ignition timing. via

How do I fix error code P0325?

  • Replacing the ECU.
  • Repairing or replacing the wiring harness.
  • Replacing a faulty knock sensor.
  • Repairing an electrical connection.
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