Regular Smog Check
STAR Smog Station
Smog Check Repair
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Smog Check & Emissions Questions and Answers
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High HC
Question
Answered
1997 Jeep Wrangler failed smog test for bad oxygen sensor and check engine light on.
by
anthony
Yes (1)
1995 Chevy Astro Van failed the smog test - When I left the smog place my vehicle started acting up.
by
Tania
Yes (1)
1989 Ford F250 Pick Up - Has High hydrocarbons (HC). Why?
by
Tom
Yes (1)
1993 Honda Prelude - Hydrocarbon HC emissions too high.
by
Rick
Yes (1)
1994 GMC Sonoma high HC, above 2000 ppm.
by
chex
Yes (1)
2003 Chevy Cavalier - Check Engine Light On
by
William
Yes (1)
1984 Fleetwood Southwind RV Chevy Engine High HC
by
jim
Yes (1)
1996 Toyota Tercel. Smog technician says cylinder compression is low and is causing high HC.
by
Ron
Yes (2)
1998 Honda Prelude. Check engine light is on. What options do I have if I fail smog?
by
Troy
Yes (1)
Hydrocarbons (HC) too high, 1989 Toyota Camry
by
Larry
Yes (1)
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