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| Stock 1995 - 2001 Explorers Questions related to non-modified 1995-2001 Explorer, Mountaineer, Ranger and '02+ Sports and Sport Trac. Problem solving, maintenance, TSB, service bulletins, owner reviews, specifications. |
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06-29-2005, 04:14 PM
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Wannabe Elite Explorer
NJ
'99 XLT 4.0
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Mil
My Ceck Engine Light came on and when i scanned it, I got a trouble code P0420 “Catalyst system efficiency below threshold (bank 1)”. When I cleared the data and rescanned it was all clear but said MIL is off. So my question is did I turn off the MIL for that specific trouble code or did it clear the comp. and if there is an actual problem the MIL will come back on?
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