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NOx failure, but everything else passed 700 1988

posted by  Klatu on  Tue Sep 22 16:23 CST 2009
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last visit: Fri Oct 17 21:22 CST 2014
[RELATED]

Pull the vaccum line off of the FPR. See if any fuel comes out. Mine went bad. It was causing the engine to run rich. The O2 sensor was trying to compensate. That ruined the cat. Whatever the problem is, it will need to be found. So two other parts parts went bad on me because of the FPR. When I got that fixed, she runs like a charm. My wife drives it to two jobs.






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