High NOx on my 94 Chevy s10 pickup truck

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  #1  
Old 10-01-15, 02:10 PM
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High NOx on my 94 Chevy s10 pickup truck

I am a disabled widow, I am on a very limited budget. I have a son age 25, that I have taught everything I known about care and repair on vehicles. I read all I could about what to look for with high Nox, mine read 2105, allowed. 1163. Due to money being an issue, I am hoping someone can narrow down what might be wrong. I have only had the truck for 4 years,but my son keeps it tuned and regular oil changes. However if I turn on the a/c the engine wants to die,so I just do not use the a/c. But after reading everything I believe that may have something to do with my high reading. Can someone please give me their advice on this. I have less than 30 days to correct this and get my baby truck to pass emissions. Thank everyone for your help and support. Lesa Allen /
 

Last edited by Gunguy45; 10-01-15 at 05:07 PM. Reason: Removed email for your protection
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Old 10-01-15, 02:45 PM
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Emissions

Non-ethanol gasoline should improve your numbers, Not sure if it will be enough to pass.
 
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