1997 NISSAN SENTRA
152,000 MILES
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I have failed my smog test in the NO (PPM) and i was wondering what needs to be fixed or change to have a better result?
Mar 2, 2013 at 6:06 PM
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ASEMASTER6371
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most likely the cat converter has failed and needs to be replaced

Roy
Mar 2, 2013 at 6:08 PM