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Old 09-29-2011, 07:48 AM
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benhogan benhogan is offline
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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