Smog Check & Emissions Questions and Answers

Have a question? Ask our technicians. Get expert answers for free. Ask-A-Tech now!

	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)

Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14