The Knock Sensor in Nissan Armada is very essential in engining since it is used in detecting engine knock which is a condition of wrong ignition timing. It communicates with the PCM, allowing the latter to change the ignition timing in a bid to reduce the incidence of detonation. Usually the knock sensor is piezoelectric that is, they convert pressure shocks into electrical signals and keep tracking for specific pressure pikes that refer to knocking. Nissan has also employed the knock sensor technology to advance the design of its engines in the many years it has been operating. Current systems can vary ignition length for individual cylinders and control boost pressure, operating at their optimal even with low octane gas. This capability can enable the engine to run almost up to the knock limit that optimises engine power while still preventing engine damage. This evolution of the knock sensor makes one to appreciate the fact that the Nissan Armada is part of the advanced automobile industry hence its reliability.
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