What is a Knock sensor?

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What is a Knock sensor?

09-29-2011, 08:48 AM

benhogan

CPA/Greasemonkey

Join Date: Aug 2009

Location: Chapel Hill

Posts: 1,092

iirc, the knock sensor is the device that advances or retards the spark timing due to altitude or fuel octane.

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1987 190d 2.5Turbo

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