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GMC
Smog Check & Emissions Questions and Answers
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Question
Answered
1989 GMC S15 passed smog but failed functional EVAP test.
by
william j
Yes (1)
1976 GMC C15 doesn't need Catalytic Converter if over 6000 gvw.
by
Jason
Yes (1)
Should our 1976 GMC Pickup have a catalytic converter?
by
Christina
Yes (1)
1982 GMC S15 pickup needs a new motor.
by
cory
Yes (1)
Does the California DMV hold me liable for Section 24007 (b)(2) of the vehicle Code?
by
Fidel
Yes (1)
1992 GMC Suburban 2500 has high CO because of loose spark plug.
by
ray
Yes (1)
2001 GMC Sierra Pickup - Recently Check Engine Light Came On Due to a By-Pass Exhuast Valve.
by
Gilbert
Yes (1)
1994 GMC Sonoma high HC, above 2000 ppm.
by
chex
Yes (1)
For the 1993 GMC C1500 with a 350ci automatic transmission, did these models use a AIR system?
by
Steven
Yes (1)
Salvaged 1991 GMC 1500 currently doesn't have gauge glass. Will this prevent me from passing smog?
by
caleb
Yes (1)
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