Knock Sensor - Standard Ign Parts KS413

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["alternate replacement part"] The knock sensor detects the mechanical vibration signature of engine knock or detonation and signals the ECM to retard ignition timing to prevent en gine damage. Signs of failure include: a check engine light with a knock sensor code, a reduction in power because the ECM has put the engine into a conservative timing map, or audible pinging under load that the ECM is no longer correcting for. Replace a faulty knock sensor to protect the engine and restore full performance. Standard Motor Products manufactures comprehensive ignition and engine management components. Known for wide coverage and reliable performance, Standard delivers dependable sensors, coils, and related parts. Show more