Question about 2004 Honda Civic
Failed mot for emissions and when u start the car up whether cold or warm,it revs up and back down continously.please help smells like its running rich,drives ok and all but at idle the revs keep going up to about 2500 rpm and back down
If its running rich and the idling is up and down suspect your oxygen sensors and sort as soon as otherwise it will destroy you catalistic converter [very expensive] yates210456
Posted on Oct 08, 2008
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Posted on Jan 02, 2017
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