WHAT IS A KNOCK SENSOR ?

2002 Kia Spectra

Tiny

Anonymous

March, 23, 2013 AT 5:25 AM

What is a knock sensor?

FOUND 640 RELATED QUESTIONS

1 Answer

Tiny

mhpautos

March, 23, 2013 AT 10:49 AM

A knock sensor detects vibration in the engine set off by detonation caused by igniting timing problems or other tune related issues, it sends a signal to the ecu to alter ignition timing, when they fail you often have a rattle from the engine on acceleration, this is engine ping due to incorrect timing.

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