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All Categories > Search > High NO

Smog Check & Emissions Questions and Answers

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  Question Answered
  1994 Dodge Dakota 4 cyl 2.5 liters high NO, what would cause this?
by Frankie   
Yes (1)
  1979 Chevy Monte Carlo failed to due to high NO (NOx).
by fernando   
Yes (1)
  92 Toyota Camry failed smog test due to ignition timing and high CO.
by anthony   
Yes (1)
  1993 Totoya Camry failed smog test for high HC. Car has high mileage.
by max   
Yes (1)
  1987 Mercury Sable 3.0 6 cylinder engine failed smog test for high NO.
by Terraine   
Yes (1)
  My 2000 Toyota 4Runner failed the smog test because of high NO, everything else passed.
by Ralph   
Yes (1)
  1977 Chevy Impala 350ci failed smog check tech says CO2 and O2 too high
by Dan   
Yes (1)
  1995 Chevrolet Camaro Z28 failed smog test for high NO (PPM) why?
by Armando   
Yes (1)
  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)


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