Regular Smog Check
STAR Smog Station
Smog Check Repair
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Smog Check & Emissions Questions and Answers
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High CO
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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