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Knock sensor questions..... 700 1987

posted by  someone claiming to be Glenn on  Tue Apr 26 08:08 CST 2005 [RELATED]

My understanding is that the function of the knock sensor is to
detect engine knocking, and communicate to "computer" which
in turn retards the timing.
What I don't understand is the following:

- If the engine knocks loudly in the 1st place, could
this be an indication of faulty knock sensor

- Can one assume that the louder the engine knocking,
the stronger the degree of retardation

- Does it retard timing / ignition for all cylinders simultaneously,
or just particular one

- How does one test knock sensor for functionality





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