Knock Sensor - Vemo V70-72-0133

["Plug (Connector): 2 Pins"]

The knock sensor detects the mechanical vibration signature of engine knock or detonation and signals the ECM to retard ignition timing to prevent engine 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.

Vemo manufactures sensors, switches, and electronic components primarily for European vehicles. Quality varies significantly by component type - some products are excellent OE-equivalents while others are inconsistent. Research specific part numbers before ordering.