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29 September, 22:56

What is engine knock? What cause the engine knock problem?

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  1. 30 September, 00:50
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    When the uneven burning of the fuel takes place due to the incorrect air/fuel mixture inside the engine cylinder, a knocking sound is observed. This is called as the engine knocking.

    Explanation:

    When the uneven burning of the fuel takes place due to the incorrect air/fuel mixture inside the engine cylinder, a knocking sound is observed. This is called as the engine knocking.

    The engine knock problem can be caused due to the following reason

    a) When the octane rating of the fuel used is low.

    b) The deposition of the carbon around the cylinder walls takes place.

    c) The spark plug used in the vehicle is not correct.
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