Question about 2002 Nissan Xterra

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2001 exterra. Engine missed, service engine light came on and mechanic diagnosed and replaced knock sensor. Ran fine for 25 miles and now misses again.

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Could be any number of sensors, MAF is one that comes to mind on missing. Mass Air Flow, make sure your mechanic is reading the codes and not just throwing parts at it OBDII can pinpoint the problems and parts. Computer can take up to 50 miles to reset the parameters, so it may be another sensor.

Posted on Jan 09, 2009

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