Regular Smog Check
STAR Smog Station
Smog Check Repair
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Smog Check & Emissions Questions and Answers
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EGR Valve
Question
Answered
Can I Modify The Engine On An Older Smog Exempt Vehicle?
by
Tim
Yes (1)
94 Honda Civic HB 1.5 High NOx
by
Dario
Yes (1)
Is Sealant on Emission Hose or Vacuum Line Permitted?
by
Jon
Yes (1)
Why Did My Corvette Fail the Smog Test for High NOx?
by
April
Yes (1)
Mitsubishi Galant Cleaned EGR and Replaced Sensors Not Passing
by
Linda
Yes (1)
OBD-II Trouble Code P0403 and P0406 Exhaust Gas Recirculation Problems
by
tom
Yes (1)
1991 Honda Accord LX Has Dilution Problem During Smog Test
by
Peter
Yes (1)
Does 2002 Chevy Avalanche Have EGR Valve or Air Pump?
by
andrew
Yes (1)
2000 Mitsubishi Montero Sport Monitors Not Ready
by
Ronald
Yes (1)
Chevy Blazer EVAP Monitor Won't Run
by
John
Yes (1)
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