KNOCK SENSORS
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The knock sensor is used to detect engine detonation or pinging and will send this information electronically to the ECU. The unit is capable of detecting vibrations caused by detonation and once this occurs the crystal inside the unit compresses, thus resulting in a voltage. This voltage signal is used by the ECU to immediately retard ignition timing as necessary.
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All ACA Sensor Components are guaranteed to be free from defects in materials, componentry and workmanship, when correctly installed in the appropriate model vehicle, operating under normal conditions for the vehicle, for a period of 1Year/20,000km warranty. ACA does not warrant Sensors subject to the following conditions; misuse, neglect, accident, improper installations, dirt, water, corrosion, gum, varnish, use of improper or poor quality fuel, fuel additives, improper fuel pressure, or if used outside the recommended application.
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