Question about 1993 Ford Explorer Limited
Listen for a hissing noise(vacuum leak around the pcv elbows or upper intake gaskets) this will cause a high idle set off lean codes which will say bad o2 sensors alson check idle air control valve which is located by throtlle body this will stick causing the vehichle to not run at idle sometimes taking it off and cleaning the carbon buildup out will fix the problem use some break cleaner
Posted on Mar 11, 2009
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Posted on Jan 02, 2017
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