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Smog Check & Emissions Questions and Answers

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  Question Answered
  My 1982 GMC Chevy Lazy Dase motorhome failed the EVAP test during a smog check pre-test.
by James   
Yes (1)
  1990 Chevy Corvette failed smog test for high NOx for the first time since new!
by tal   
Yes (1)
  1996 Dodge Stratus ES failed NOx at 15MPH, everything else passed, rpm during 15mph was usually high. Why?
by Steve   
Yes (1)
  1993 Chevy Suburban 5.7L Is ignition timing 0 or 8 degrees BTDC?
by sam   
Yes (1)
  2002 Mitsubishi Eclipse GS 2.4 failed smog check for high NOx. Does it need a new CAT?
by Laura   
Yes (1)
  1982 Chevy P30 failed smog check for high CO.
by Les   
Yes (1)
  Toyota Corolla failed smog test and has very high idle.
by Fellissa   
Yes (1)
  Out of state Mitsubishi Galant won't pass smog check
by Derek   
Yes (1)
  Toyota Camry passed HC on smog check but failed CO.
by Lou   
Yes (1)
  Acura Legend failed smog check for high NOx
by Sophia   
Yes (1)


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