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Feb 14, 2002 | 12:56 PM

p_white

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P0401

I was hoping someone could have solved my problem. Check out p0401 stumped.

Feb 15, 2002 | 05:43 PM

pbrownblksport01

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From: Humble Harris

P0401

Your code is a problem with your EGR system. The problem is your DPFE sensor. This sensor comes off your EGR tube and is connected by two flexible hoses. One is slightly bigger in diameter than the other.(the bigger one goes to the ref side). It also has an electrical connector on it. Replace it and that should fox youre problem.

Feb 18, 2002 | 01:16 PM

p_white

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P0401

I fixed it. The ports in the plenum were clogged.

Thanks

Feb 25, 2002 | 09:06 AM

daw1264

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From: Austin USA

P0401

Did you remove the Plenum to clear the ports and if so was a gasket needed to reinstall?

Feb 26, 2002 | 02:34 PM

p_white

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P0401

No.

Mar 4, 2002 | 12:59 AM

daw1264

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From: Austin USA

P0401

Ok the problem is now fixed, but its not the plenum ports its simply the butterfly body ports, a 45 minute job and not the plenum, which would take a few hours.