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CA Smog Failure Advice needed (Help!) 200 1986

posted by  Cliff M on  Sat Oct 8 17:58 CST 2005
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last visit: Sat May 31 12:47 CST 2014
[RELATED]

Well we failed our CA smog today and could use some sage advice. It's a 1986 240/230F and is running well with all equiptment installed and functioning AFAIK. Car is running well, and did pass smog last year when we bought it. The results from today look like this..
%CO %O2 HC(PPM) CO% NO%
Max Allowed 133 0.82 1125/955
As Measured
15MPH 13.3 2.1 26 0.01 2055
25MPH 13.4 2.0 18 0.01 1855

The tech said that it is running lean and that this is related to the high NOX level. Car is running well...much better than when it passed last year, but apparently not good enough! Any help or DIY diagnostics or fixes to get the NOX done for the retest would be highly appreciated.

Thanks to all in advance!

Cliff





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