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Smog Check & Emissions Questions and Answers

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  Question Answered
  Failed California smog test for high NOx - 1992 Toyota Corolla
by mark   
Yes (1)
  1995 Nissan Sentra failed smog check for high HC. What could be the problem?
by Jaime   
Yes (1)
  1984 Toyota Corolla needs new carburator. I want to apply for CAP.
by Franklyn   
Yes (1)
  1993 Toyota Pickup failed smog check due to incorrect ignition timing.
by Kathy   
Yes (1)
  1992 Mazda Navajo 4.0 L 6 cyl. Auto trans. Inquiry on different RPMs for 15 mph on smog check retest.
by Roger   
Yes (1)
  1987 Volvo 240DL 2.3L automatic - Very high NOx. Has new CAT.
by jim   
Yes (1)
  HC too high at 15mph smog test, 1992 Nissan Sentra
by pascual   
Yes (1)
  1995 4.0l I6 Grand Cherokee failed NOx emissions 25 mph test. My scores are 1086 Max: 533.
by justin   
Yes (1)
  1995 Nissan Pathfinder failed smog check for high NO. What's wrong?
by Joe   
Yes (1)
  Ford 1986 Bronco II - Can I replace the Catalytic Converter myself?
by Steven   
Yes (1)


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