Automotive Diagnostics Services (ADS) offers advice on how to determine, where the problem lies when a Knock Sensor or Knock Control fault appears on the diagnostic equipment

When we see a Knock Sensor or Knock Control fault on our diagnostic equipment its not always clear as to whether the fault is coming from a faulty sensor, wiring, control unit or from other engine conditions! Here we take a look at a 2004 1.6 petrol Opel Zafira, which was logging a P0325 Knock Sensor fault when put under load or hard acceleration

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