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Old 05-06-2011, 08:43 PM   #1
kbreier
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95 325i Failed emissions high nox

No check engine light, runs great just has high nox readings. Any ideas?
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Old 05-27-2011, 11:43 AM   #2
b1lk1
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Re: 95 325i Failed emissions high nox

High NOx readings are almost always a sign of a failing converter.
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Old 05-27-2011, 02:17 PM   #3
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Re: 95 325i Failed emissions high nox

Thanks, but I did several things to pass with flying colors. The intake boot had cracks in several places, so I replaced it. Used Sea Foam and RXP gas kicker. Replaced the Ox sensor. I keep hearing that the cat. converter is rarely the problem.
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