1997 Nissan Sentra Failed Smog Test Ppm Wondering Needs Fixed Change Better

1997 NISSAN SENTRA
152,000 MILES
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ANONYMOUS
  • MEMBER
  • 1 POST
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 10:06 AM
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ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 POSTS
most likely the cat converter has failed and needs to be replaced

Roy
Mar 2, 2013 at 10:08 AM
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