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How do I troubleshoot electric EGR code P0400

Home Forums Stay Dirty Lounge Service and Repair Questions Answered Here How do I troubleshoot electric EGR code P0400

This topic contains 5 replies, has 2 voices, and was last updated by Nightflyr * Richard Kirshy 2 months, 1 week ago.

  • Creator
    Topic
  • #963722
    Jeff
    Jeff
    Participant

    2011 Ford Escape V-6. 130,000 mi.
    My daughter lives 4 hours away. She dropped by a couple weeks ago with a p0400 EGR code. And water pump problems. I didn’t have time to do proper diagnosis, so I shotgunned and replaced electric EGR valve. I cleared codes and it was good for over a week. Now the P0400 is back. She’s visiting again another short one and I would like some help to quickly diagnose this. All I know what to do is
    1: make sure the exhaust tube is not leaking.
    2: check connector
    3: make sure gasket is sealing.
    4: activate egr with scanner and watch map sensor?
    I read #4 online. What else am I missing?

Viewing 5 replies - 1 through 5 (of 5 total)
  • Author
    Replies
  • #963724
    Nightflyr *
    Richard Kirshy
    Participant

    See if this of any help …

    #963728
    Jeff
    Jeff
    Participant

    Thank you Richard. That is a tremendous help. I think that article combined with what I’ve previously learned should cover every aspect to find the problem. My only problem now is I just left my scanner 30 minutes away, forgetting about this project. I have a van window to replace. Going to be a busy night. And I have to find the correct diagram. 😖

    #963729
    Nightflyr *
    Richard Kirshy
    Participant

    Glad to hear it was useful.
    Good luck.

    #963743
    Jeff
    Jeff
    Participant

    The EGR bolts to a bracket. The bracket holds a tube that goes into the intake and takes a 90 degree turn. That’s where the clog was. The first time I went into this I neglected to look at this. Too much in a hurry with time restraints. Would have saved some trouble if I would have taken this next step the first time. Thanks for all the great input. Thankfully I didn’t have to diagnose the circuitry, but it is great info for future again many thanks.

    #963744
    Nightflyr *
    Richard Kirshy
    Participant

    Glad to hear you got it sorted out.

Viewing 5 replies - 1 through 5 (of 5 total)

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