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Old 11-18-2007, 08:57   #1 (permalink)
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Read P0401 Ford Explorer 2002 - Help

I have a 2002 Explorer with 103K miles. Had a P0401 EGR valve low flow. Changed the EGR valve and still got the Engine Light to come on. I reset the light and it came back on after a few miles. Do I need to change the DPFE sensor as well? Please help?
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Old 11-18-2007, 16:41   #2 (permalink)
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Exclamation Re: P0401 Ford Explorer 2002 - Help

Quote:
Originally Posted by cjrodtxusa
I have a 2002 Explorer with 103K miles. Had a P0401 EGR valve low flow. Changed the EGR valve and still got the Engine Light to come on. I reset the light and it came back on after a few miles. Do I need to change the DPFE sensor as well? Please help?
First, wrong section. Second, DPFE sensor is the most common failure.
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Old 11-18-2007, 22:01   #3 (permalink)
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Re: P0401 Ford Explorer 2002 - Help

had the same code, it was the flow sensor, also had it happen right after and turns out clogged cats back pressured to much messing with them, just cut the cats off and put a dual flowmaster set up under it :)
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Old 11-19-2007, 20:03   #4 (permalink)
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Re: P0401 Ford Explorer 2002 - Help

Moved to Explorer Section
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Old 10-26-2008, 13:19   #5 (permalink)
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Re: P0401 Ford Explorer 2002 - Help

Hmm I just got a P0401 code. After searching around I think I am going to go with the DPFE sensor first. My truck has 51,000 miles.
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Old 11-13-2008, 12:31   #6 (permalink)
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Re: P0401 Ford Explorer 2002 - Help

The 02 Explorers fuel filter is built into the fuel pump--it needs to be brought into Ford to be serviced. I think mine needs the same thing after all the 1200.00dollars I put into it since I bought it in May-08--Crappy Feeling huh!
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Old 11-13-2008, 12:33   #7 (permalink)
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Re: P0401 Ford Explorer 2002 - Help

Oh yeah and theres no DPFE fuse on these trucks
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