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High HC
Smog Check & Emissions Questions and Answers
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Question
Answered
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)
Ford 1986 Bronco II - Can I replace the Catalytic Converter myself?
by
Steven
Yes (1)
1991 Lexus LS400 failed test smog test for high HC.
by
krk
Yes (1)
1988 Ford Thunderbird failed smog inspection due to high HC.
by
Maria
Yes (1)
1988 BMW 325i - the emissions control systems visual inspections/functional check results passed
by
Lauren
Yes (1)
1993 Oldsmobile Bravada failed for high HC
by
george
Yes (1)
1997 Oldsmobile Aurora 4.0 Northstar failed smog test for high HC.
by
Randy
Yes (1)
1995 Nissan 200sx with manual transmission and high mileage failed smog check for high HC, CO, and NOx.
by
Joe
Yes (1)
1992 Acura Legend failed for high HC. Any idea what caused it?
by
eric
Yes (1)
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