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Smog Check & Emissions Questions and Answers

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  Question Answered
  1991 Chevy S10 failed smog check at idle but not at high rpms.
by JON   
Yes (1)
  1998 Honda Prelude. Check engine light is on. What options do I have if I fail smog?
by Troy   
Yes (1)
  1998 Toyota Camry, 2.2L 4cyl automatic, failed high CO. Does it need an Oxygen Sensor?
by Joey Michael   
Yes (1)
  Hydrocarbons (HC) too high, 1989 Toyota Camry
by Larry   
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)
  1992 Toyota Camry failed smog test for high CO. 3.0 liter engine.
by anthony   
Yes (1)
  1977 Chevy Impala 350ci failed smog check tech says CO2 and O2 too high
by Dan   
Yes (1)
  1995 Honda Accord EX failed high CO and HC emissions
by tou   
Yes (1)
  1995 Chevrolet Camaro Z28 failed smog test for high NO (PPM) why?
by Armando   
Yes (1)


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