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High NOX solved.... 200

posted by  vvpete on  Tue Oct 12 08:52 CST 2004
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last visit: Thu Jul 10 14:10 CST 2014
[RELATED]

That's a steep cost for the O2 sensor. I had the orig one on my '89 245 go out @ 245k.
My NOx was ~680, which is considered 'marginally acceptable' reading, and indicates a bad cat or mixture problem that caused the cat to go bad. The damage to the cat was done, so replacing the O2 sensor alone wasn't enough. I replaced the cat which started to rattle and the NOx went to 12!
I would suspect that you've clogged up the new cat from the problem that existed before you replaced it. Sorry to say that your problems may not be over.
--
'89 245 Sportwagon, '04 V70 2.5T Sportwagon






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New High NOX solved.... [200]
posted by  someone claiming to be Swedish Babe  on Tue Oct 12 03:22 CST 2004 >


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