Nismo_Freak

General discussion forum about the 240sx, and a great place to introduce yourself to the board!
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scruffy63
Posts: 967
Joined: Thu Jul 24, 2003 8:12 am
Car: my nissan 240sx

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hey I'm trying to pass emissions and i'm having a little trouble I took your advice and sprayed a bunch of windex on my muffler tip right before but I still failed. I actually scored worse this time. and its always nox that I fail.I also had denatured alcohol in my gas tank it ( tank was almost on e) do you have any other ideas as to what my problem could be?

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hybrid_flyer
Posts: 790
Joined: Thu Jun 17, 2004 12:51 pm
Car: 95 240sx SE wrecked....89 240 coupe now

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thats easy, NOx means you have a high combustion temp. Figure out why. Is your EGR functioning properly? The most common problem is an EGR that isnt working properly. But NOx always means that your combustion temp is above 2500 degrees
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