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4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

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Old 03-29-2008
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Icon5 Dpfe

my check engine light is on (2001 4.0L V6), so i went to autozone to get the code read. turns out it is p0401 for insufficient egr flow. after doing some searching on the forum and online, i have decided to replace the differential pressure feedback EGR sensor (DPFE). i went to swap it out today, but want to make sure i am pulling the right thing out. it this is? if so, i tried pulling it out but it doesnt seem to want to budge. any thoughts? thanks in advance for any help!



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Old 03-29-2008
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Thats It! Mine Went Out At About 60,000.
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Old 03-30-2008
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ok thanks, that's what i thought. should it just pull off the hoses once i un-plug it?
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Old 03-30-2008
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got it off today. CEL is still on, but i only took it around the block once. i'll update tomorrow after a day of driving.
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Old 03-30-2008
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did you unhook your battery to reset the computer
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Old 03-30-2008
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did you unhook your battery to reset the computer
i didn't but i will. thanks!
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Old 03-30-2008
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if your cel come back on with the same code, take your egr valve off and make sure the passage for the egr isnt clogged with carbon. i get that a lot...
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Old 04-01-2008
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unplugged the battery yesterday, and CEL is now off. replacing the DPFE seems to have corrected the problem. thanks for the help!
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