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5th Generation Maxima (2000-2003) Learn more about the 5th Generation Maxima, including the VQ30DE-K and VQ35DE engines.

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Old 10-28-2009, 08:01 PM   #41
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Quote:
Originally Posted by phatboislim View Post
...for my FYI..whats the purpose of the knock sensor?
Don't quote me on this but I think it's to detect knock so that timing can be advanced (or retarded?). It's pretty much a variable resistor whose resistance changes based on the shock that happens when knock occurs. If it's detecting knock unnecessarily, you've got unnecessary timing changes. Timing changes means the spark plug fires earlier/later.

Quote:
Originally Posted by sontakke View Post
Great write up; although I do wish you had done one step at a time and check on the work. That way we would have known the step which gives best bang for the buck but more importantly, if something got screwed up, you would know it immediately rather than having to backtrack.
Yes, but time is of the essence! Thankfully I didn't have any problems but I double/triple checked stuff before proceeding to the next 'step'. Plus I just wanted to get it all done in one swoop vs. trying to see where the biggest improvement was made.
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