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
2001 Toyota Tundra Failed For High NO
by
Jon
Yes (1)
1989 Jeep Failed the NO (PPM) Portion of the ASM Emission Test
by
Richard
Yes (1)
1997 Nissan Quest Failed For High NO
by
Joseph
Yes (1)
1992 Toyota Camry Air Intake Hose Question
by
Rita
Yes (1)
1984 Nissan Datsun 300ZX NO Emission Output Too High
by
Scott
Yes (1)
1998 Toyota Camry LE Failing Emission Test for High HC with New CAT
by
Justin
Yes (1)
What Would Cause High HC and CO on a 1992 Toyota Pickup Truck?
by
LORI
Yes (1)
1984 Nissan 300 ZX Turbo Failed for high NOx
by
dan
Yes (1)
Is the Catalytic Converter Bad on my 1990 Chevy Astro Van?
by
lynn
Yes (1)
1987 Chevy R10 Failed Smog Check For High HC and CO
by
KEN
Yes (1)
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