1999 Ford Explorer Need's help

1999 FORD EXPLORER
175,000 MILES • 6 CYL • 4WD • AUTOMATIC
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FRDLAMM
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Engine is missing realy bad. Random cyclinder misfire, bank i lean, bank 2 lean. Changed M.A.F. cencor, Map cencor, EGR cencor Idler control valve, plugs and wires. I'm getting a code that no one knows 1401. Please help.
Aug 14, 2009 at 2:28 PM
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DOCFIXIT
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DPF EGR Sensor Circuit High Voltage detected. see figure


https://www.2carpros.com/forum/automotive_pictures/198357_Graphic_62.jpg

Aug 14, 2009 at 2:43 PM
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FRDLAMM
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I have already changed that part and it didnt make any difference. Anymore ideas?
Aug 17, 2009 at 4:06 PM
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DOCFIXIT
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Have you checked fuel pressure? Did you have code P0300?
Aug 17, 2009 at 4:24 PM
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FRDLAMM
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I havn't checked the fuel presure. Would it be fuel pump or some kind of sencor? I don't remember any such code.
Aug 18, 2009 at 12:47 PM
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DOCFIXIT
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Did you check hoses to DPE for leaks, cracking? also possible blockage of ports where hoses connect
Aug 18, 2009 at 12:53 PM
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FRDLAMM
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Will check. Thank you.
Aug 18, 2009 at 12:55 PM