P0401 Code Check Engine On
Thread Starter
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Freshman User
Joined: Apr 2003
Posts: 37
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From: LONG ISLAND
P0401 Code Check Engine On
Hello I have a 2000 Ranger XLT 4X4 3.0 with 30K Miles--My fuel gauge was jumping up and down so i decided to unplug the fuel sending unit plug connector--I thought maybe the contacts on the plug were bad--anyway--i pluged it back in and started the truck then drove off--About 5 min later the CHECK ENGINE light came on and the code was a P0401.. Could the plug being disconnected then reconnected have anything to do with this?? BTW--THE TRUCK WAS OFF WHEN I DID THIS....
Thanks for any info................. MARK NY
Thanks for any info................. MARK NY
Hotshot
Joined: Aug 2002
Posts: 12,679
Likes: 15
From: BC, Canada
P0401 Code Check Engine On
I think it's just coincidence.
A P0401 usually means you need a new PFE sensor and Ford has extended the coverage on them. Take it in to your dealer and see what they say.
A P0401 usually means you need a new PFE sensor and Ford has extended the coverage on them. Take it in to your dealer and see what they say.
Thread Starter
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Freshman User
Joined: Apr 2003
Posts: 37
Likes: 0
From: LONG ISLAND
P0401 Code Check Engine On
Thanks so much for the info! That sensor you are talking about--Is that the sensor that is bolted to the intake with 1 plug and 2 Vac lines attached to it? Looking ath the VAC lines it looks like one or both go to the EGR valve.
Post Fiend
Joined: Jan 2003
Posts: 9,748
Likes: 16
From: Connecticut
P0401 Code Check Engine On
Fordman, here is a picture of a DPFE sensor:
http://groups.msn.com/RangerBill/ran...to&PhotoID=677
..and you might find this recent thread interesting:
https://www.ford-trucks.com/forums/s...hreadid=115627
Hope this helps.
http://groups.msn.com/RangerBill/ran...to&PhotoID=677
..and you might find this recent thread interesting:
https://www.ford-trucks.com/forums/s...hreadid=115627
Hope this helps.
