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P0401 code

Tiny
JLSTKY7061
  • MEMBER
  • 2001 FORD EXPLORER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 101,000 MILES
Code p0401 is not the pressure sensor what else could be that I need to change the egr valve
Wednesday, February 16th, 2011 AT 7:39 PM

3 Replies

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Yep! Pull the egr off, clean the port under it all the way to the throttle plate, I use a length of steel coathanger. Put it all back together, reset the codes, if light comes on again, replace the EGR position sensor, thats the one the two small hoses from the exhaust plug into!
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Wednesday, February 16th, 2011 AT 7:48 PM
Tiny
JLSTKY7061
  • MEMBER
  • 2 POSTS
If I just buy a new that I need to still clean it up?
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Wednesday, February 16th, 2011 AT 8:47 PM
Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Do not replace parts until you clear the port out. Y out might not need parts.
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Thursday, February 17th, 2011 AT 4:46 PM

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