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  1. #1
    Neal Van's Avatar
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    can someone help

    I have a Ford 2001 4.2 V6 E-150 Work van my service eng. lite came on the code is P0401 (EGR Flow Insufficient) I replaced the EGR and now I get Code P0401 and P0301 (Cylinder 1 Misfire Detected) I also put new plugs & wires on Can anyone help me Thank You Neal


  2. #2
    Married the love of my Life Mayday 2008 SuperCharged03's Avatar
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    Quote Originally Posted by Neal Van View Post
    I have a Ford 2001 4.2 V6 E-150 Work van my service eng. lite came on the code is P0401 (EGR Flow Insufficient) I replaced the EGR and now I get Code P0401 and P0301 (Cylinder 1 Misfire Detected) I also put new plugs & wires on Can anyone help me Thank You Neal
    Ok see if I can help you on this.
    There should be a tube that runs from the exhaust manifold to under the EGR housing, this is most likely clogged and not letting anything through. You can try to pass a wire down through this to open it up. Since nothing is getting through and the computer is calling for EGR it thinks it is failing and tries to correct the issue, hence the misfire.

  3. #3
    Happily Self-Employed WFO's Avatar
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    Needs a DPFE sensor

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