HAVE 95 MAZDA IST NOT PASS THE SMOCK CHECK ...

  • Tiny
  • Anonymous
  • 1995 Mazda MX3
  • 140,000 miles

Have 95 mazda ist not pass the smock check because the NO THAS HIGH

Friday, December 28th, 2012 AT 8:44 PM

1 Reply

  • Tiny
  • KHLow2008
  • Expert
  • 41,994 posts

NOX high means the catalytic converter could be bad.
Check the basics first, spark plugs, air cleaner etc.

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Sunday, December 30th, 2012 AT 7:02 PM

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