WebApr 8, 2006 · Lean mixtures and overly advanced ignition timing are the main causes of knock along with fuel that has too low of an octane rating and either an overheating engine or extremely hot weather conditions. ... * ignition problem such as bad plugs or coilpack causing a misfire, the knock sensor will detect a misfire (it will not hear the explosion ... WebApr 12, 2013 · seen crank sensor cause random misfires. You have to do a crankshaft relearn after replacement also with a scan tool. Don't know what scan tool u have if it has that option. Seen camshaft lobes wear and cause a knock in these engines that also cause a miss at idle. The engine noise is probably causing the knock sensor codes.
Can knock sensor cause cylinder misfire? - VW Vortex
WebJun 29, 2024 · The knock sensor detects the vibrations from abnormal combustion, known as spark knock. A car can have one or two knock sensors depending on its make and model. To learn more about knock … WebApr 12, 2024 · Yes, a faulty or lousy knock sensor can cause your engine to misfire as it starts, and unusual vibrations usually follow this misfiring throughout your car. How Do You Troubleshoot a Knock Sensor? There … fitting curve 意味
Knock Sensor - Ultimate Subaru Message Board
WebOct 7, 2009 · Beware if it goes to lean you will get an over-correct or under correct for the knock sensors adaptation threshold like you have. Would also cause sporadic misfires … WebSep 21, 2012 · More than one cylinder may mean a problem with the ignition coil. If it were just one we can isolate it into the components connected to the cylinder. If you have the SES light on as well, it may be a bad O2 sensor or a bad catalytic converter. Check for the wiring that goes to the O2 sensor. The computer may not be getting the correct reading ... WebApr 13, 2024 · Cause: This code indicates that there is a problem with the knock sensor circuit, which is responsible for detecting knocking or pinging sounds in the engine. This could be due to a faulty knock sensor, a problem with the wiring, or an issue with the engine control module (ECM). Posible Location: Engine, knock sensor, engine control … fitting curve翻译