knock sensor

PONTIAC BONNEVILLE
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BABYTEE
  • MEMBER
  • 2 POSTS
pontiac, bonneville se, 1998, 109k, 3.8
what is a knock sensor and do i really need it. :?: :?:
Oct 27, 2007 at 9:07 PM
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FAIRRACING31
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 150 POSTS
A knock sensor mounted on the engine that is designed to detect the high-frequency vibrations caused by detonation. By employing a knock sensor, a computerized engine-control system allows an engine to operate very near its detonation limit: thereby improving power and efficiency.


https://images.2carpros.com/forum/automotive_pictures/103836_images_1.jpg

GM Knock Sensor
Oct 28, 2007 at 1:17 AM
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