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Small Exhaust Leak? Yeah that will cause it! 200

uid 12839's pic
posted by  Paul Driver of Inga on  Tue Jun 17 11:18 CST 2008
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last visit: Sun Mar 25 16:42 CST 2012
[RELATED]

Any O2 that reaches the cat will cause NOX to go up.

If you have a leak that will for sure cause the problem.

There was a well done posting from a while back:

http://www.brickboard.com/RWD/volvo/1129821/220/240/260/280/cure_found_1985_245_high_nox_emissions_unusual_cause.html






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New Failed Nox (ppm) today [200]
posted by  Volvoguy78  on Mon Jun 16 13:30 CST 2008 >


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