Regular Smog Check
STAR Smog Station
Smog Check Repair
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High CO Questions
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High CO Questions
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1992 GMC Suburban 2500 has high CO because of loose spark plug.
by
ray
1
1998 Toyota Camry, 2.2L 4cyl automatic, failed high CO. Does it need an Oxygen Sensor?
by
Joey Michael
1
92 Toyota Camry failed smog test due to ignition timing and high CO.
by
anthony
1
1992 Toyota Camry failed smog test for high CO. 3.0 liter engine.
by
anthony
1
1995 Honda Accord EX failed high CO and HC emissions
by
tou
1
1995 Chevrolet Camaro Z28 failed smog test for high NO (PPM) why?
by
Armando
1
1982 Chevy P30 failed smog check for high CO.
by
Les
1
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