Regular Smog Check
STAR Smog Station
Smog Check Repair
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Smog Check & Emissions Questions and Answers
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High NO
Question
Answered
1983 Ford Fairmont Carburetor Failed for High HC.
by
Rene
Yes (1)
1993 Nissan failed smog check for high HC
by
Rena
Yes (1)
1991 Nissan Sentra failed smog test for the 4th time.
by
James
Yes (1)
1998 Nissan Maxima Fault Code P1320
by
amir
Yes (1)
1995 Volvo 960 Causes of Very High NOx Emission
by
Karen
Yes (1)
Chevy Caprice Classic 5.0 Carburator Motor Will Not Pass CA Smog Check
by
Rudy
Yes (1)
1991 GMC Sierra 1500 failed smog test in all categories at 15 mph
by
chris
Yes (1)
Honda Civic Dx 1996 Failed Smog Check Due To High NO. How to resolve?
by
Helen
Yes (1)
1993 Nissan Altima failed for high CO and HC. Please help! We're stuck.
by
Rena
Yes (1)
What would cause high HC on a 1998 Mitsubishi Montero?
by
Holly
Yes (1)
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