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Smog Check & Emissions Questions and Answers
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High CO
Question
Answered
1995 Honda Accord Overheated and Failed High NOx
by
tyler
Yes (1)
2002 Ford Escort SE Failed Smog for High NO
by
Linda
Yes (1)
1991 Honda CRX Si with California emissions
by
Chris
Yes (2)
Honda Accord Oxygen Sensor and Catalytic Converter Monitor Not Ready
by
adelaida
Yes (1)
2002 Suzuki Grand Vitara Trouble Code P0430
by
yvonne
Yes (1)
1991 Chevrolet Suburban Failed Smog Test Because Running Rich
by
lori
Yes (1)
2002 Toyota Camry LE Failed for High CO with New Oxygen Sensors
by
Min
Yes (1)
1995 Chevy Corvette Failed Smog Test for High NO
by
Kevin
Yes (1)
1990 Acura Integra Failed for High NO
by
sam
Yes (1)
Toyota 4 Runner What Else Could Cause High NO?
by
Mark
Yes (1)
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