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Old 01-01-2012, 01:58 PM
bodkin1 bodkin1 is offline
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Default P0401 code

Had this same code pop up sometime last year, and replacing the DPFE sensor helped. Now today the Check Engine light came back on... hooked up a code reader and P0401 it was.

Could it be that it needs replaced again, or cleaned? Have also heard it could be an EGR valve? What would be the way to clean it, carb cleaner?
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Old 01-01-2012, 03:11 PM
bodkin1 bodkin1 is offline
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Default Re: P0401 code

Figured it would be the DPFE sensor, so went to Oreilly's first. They didn't have them in stock, so went to Advance next... same thing. Finally to Auto Zone and the very same thing. Finally asked why and well i'll be darned... the DPFE sensor is now a dealer-only item.

Funny, the last time I replaced it it was still being carried by the auto parts stores.... And I absolutely DREAD going to the dealer to get one...
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Old 01-01-2012, 03:27 PM
Clinton Clinton is offline
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Default Re: P0401 code

I am going to replace mine as well but I can get them at the local parts store. You may have dealt with someone not knowing what they are doing.
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Old 01-01-2012, 04:49 PM
bodkin1 bodkin1 is offline
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Default Re: P0401 code

Quote:
Originally Posted by Clinton View Post
I am going to replace mine as well but I can get them at the local parts store. You may have dealt with someone not knowing what they are doing.
Sounds just right, just looked at Oreilly, Advance and Auto Zone's websites and they were there... just today I had the unfortunate occasion of dealing with some people who have no business working at those places. As Forrest Gump said, "It happens"

I guess my referring to it as a DPFE sensor was no help, it is actually a "EGR Pressure Feedback Sensor". Of course while looking around the actual name was the last thing on my mind...
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Last edited by bodkin1; 01-01-2012 at 05:07 PM.
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Old 01-03-2012, 04:45 PM
bodkin1 bodkin1 is offline
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Default Re: P0401 code

Found one on Rockauto.com for $20. Played it safe and bought two of them. Oreilly's had theirs priced at around $35, which is what I paid for mine. All in all got 2 for about the price of one...
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