Ngk/Ntk Ign Knock Sensor Id0302 (73027) Air Conditioning Style:Non-perforated

Style:Non-perforated

Durable Protection: Effectively shields your tailpipe from dust

Toyota Corolla 1

Laguna 73-76

Ngk/Ntk Ign Knock Sensor Id0302 (73027) Air Conditioning Style:Non-perforatedThe ignition knock sensor determines if engine knock is present (caused by detonation). A piezoelectric crystal, which generates a varying voltage based upon engine vibration intensity, sends a signal to the ECM. The signal is used to retard ignition timing which prevents engine damage caused by pre ignition. Located on the engine block, common causes for replacement include check engine lamp illumination, engine hesitation, poor fuel economy and