Q) What does a knock sensor do?

— Install Knocking Sensor into extension port on Peep Hole Viewer — Manual Included

2 x Engine Knock Sensor for MANY GM Vehicles 10456603

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  • At Buy Auto Parts we stock a wide range of knock sensors for all car makes and models. All our car parts have been tested thoroughly and come with a warranty. To view the parts that fit your vehicle by selecting the right year, make and model of your car from our online catalog. We provide free shipping on all purchases above US $50. If you have any questions regarding your car parts, call our toll-free support line at or email us at .

    At Buy Auto Parts we stock a wide range of knock sensors for all car makes and models. All our car parts have been tested thoroughly and come with a warranty. To view the parts that fit your vehicle by selecting the right year, make and model of your car from our online catalog. We provide free shipping on all purchases above US $50. If you have any questions regarding your car parts, call our toll-free support line at or email us at .

  • The knock sensor protects other car parts like pistons, rods, valves, gaskets and plugs from getting damaged due to engine knock. When the flame moves out from the spark plug ignition point, the pressure waves present in the combustion chamber crash into the piston or cylinder walls creating a knocking sound. If your car's knock sensor is not functioning properly, you can find an OEM knock sensor replacement at Buy Auto Parts at an unbeatable price.

    The knock sensor protects other car parts like pistons, rods, valves, gaskets and plugs from getting damaged due to engine knock. When the flame moves out from the spark plug ignition point, the pressure waves present in the combustion chamber crash into the piston or cylinder walls creating a knocking sound. If your car's knock sensor is not functioning properly, you can find an OEM knock sensor replacement at Buy Auto Parts at an unbeatable price.

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  • Motion Activated Sensor (MAS100) Knocking Sensor (KNS100)
       
     

    If you feel an unusual knocking in your car, especially at high speeds, the problem may be a faulty knock sensor. This is an important engine part that serves two main purposes.

What are signs or symptoms of a knock sensor gone bad?

When an engine has an internal malfunction which is causing noise, the knock sensor will be activated and signal the computer to make adjustments, if the computer makes these changes without result, the MIL (check engine, service engine soon) light will illuminate. This internal engine noise must be repaired before normal knock sensor operation will resume.