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99 Expedition P0401


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extortion00
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Jul 12, 2012, 10:48 PM

Post #1 of 4 (1012 views)
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99 Expedition P0401 Sign In

4.6L XLT. 1 code (p0401) runs really bad accelerating.. so i decided that it was probably a dirty egr passage.. took apart the throttle body & got down to the throttle body elbow and i cannot for the life of me get the egr to come off.. 2 bolts i got 1 off but the other bolt will not budge.. any ideas? i've tried everything


nickwarner
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Jul 12, 2012, 11:22 PM

Post #2 of 4 (990 views)
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Re: 99 Expedition P0401 [In reply to] Sign In

heat up the housing the bolt goes into with a torch real good and use a fast hammering action on the ratchet. Hope it comes out instead of snapping.


Hammer Time
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Jul 13, 2012, 6:15 AM

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Re: 99 Expedition P0401 [In reply to] Sign In

Why don't you just try a new DPFE first. It's far more likely the cause.



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Discretesignals
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Jul 13, 2012, 6:59 PM

Post #4 of 4 (931 views)
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Re: 99 Expedition P0401 [In reply to] Sign In

Besides, a P0401 code won't be the reason for bad acceleration.





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(This post was edited by Discretesignals on Jul 13, 2012, 7:00 PM)




99 Expedition P0401


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