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EGR valve

Tiny
JENNMOORE
  • MEMBER
  • 2004 CHEVROLET MALIBU
  • 6 CYL
  • AUTOMATIC
Replaced my EGR valve on my 2004 Chevy Malibu but I am still getting a P0401 code something about a DPFE sensor. Where is that sensor located?
Sunday, February 20th, 2011 AT 11:17 PM

3 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
The DPFE sensor is found on Fords only. The code means insufficient flow so you could have an intake passage plugged up with carbon.
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Sunday, February 20th, 2011 AT 11:51 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Ford has the DPFE not on yours

A code P0401 most likely means one or more of the following has happened:

There is a blockage in the EGR (tube), most likely carbon buildup
The EGR valve is faulty
The EGR valve may not be opening due to a lack of vaccuum
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Sunday, February 20th, 2011 AT 11:51 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
It's an electric EGR. No vacuum.
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Sunday, February 20th, 2011 AT 11:53 PM

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