won't pass emissions

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confedwolf
Posts: 6
Joined: Sat Oct 28, 2006 9:10 am
Car: 1992 nissan 240sx Le

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nox 2 high original 92 240 vert where do i start?

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Wc240
Posts: 899
Joined: Tue May 12, 2009 8:58 pm
Car: 89 Nissan 240SX
97 Nissan 200SX
91 Nissan 240SX ka-t
06 Scion xB
2000 Nissan Frontier
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start with the egr system
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Kouki1984
Posts: 2
Joined: Sat Dec 23, 2006 7:25 am
Car: 1995 Nissan 240sx SE

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Yea my car did past either cus of that, replace EGR valve and also clean EGR tube NICE and clean.
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2056515
Posts: 99
Joined: Fri Mar 16, 2007 12:44 pm
Car: 240sx

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put on a new cat and you should pass....or you can try to retard the timing.
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