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

1995 Mazda MX3

Tiny

Anonymous

December, 28, 2012 AT 8:44 PM

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

FOUND 14645 RELATED QUESTIONS

Wiring Issue?

68 ANSWERS
128 IMAGES

1 Answer

Tiny

KHLow2008

December, 30, 2012 AT 7:02 PM

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

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