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#1
07-20-2006, 06:38 PM
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failed smog - high NOx how do i lower it?
i took my 89 240SX today for the smog test and failed because of timing at 3 degrees (needs to be 14) and very high NOx level. Does anyone know how to lower this? thanks
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#2
07-20-2006, 10:54 PM
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Re: failed smog - high NOx how do i lower it?
replace your cat, adjust your timing, do a tune up.
__________________
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#3
07-20-2006, 11:54 PM
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Re: failed smog - high NOx how do i lower it?
^ agree!
__________________
"A good driver is measured not by his lap times, but by the amount of time he spend trying to make sense of his car" E.K.
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