Have 99 maxima, check engine light came on today. Took to auto-zone, codes
read po325- knock sensor, and po303- number 3 cylinder misfire. Where
exactly is knock sensor located & is it hard to replace. Price quoted was
$176 for sensor. Print out says # 3 cylinder could be wire, plug, vacuum
leak, injector. Might have local mechanic check that out, but was
wondering
if I could replace knock sensor to save a little labor cost. Thanks for
any
help and info.


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