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CEL Confusion

Discussion in 'Stock 1995 - 2001 Explorers' started by ajneary42, July 22, 2010.

^^Searches ExplorerForum.com^^





  1. ajneary42

    ajneary42 New Member

    Joined:
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    City, State:
    Brookings, SD
    Year, Model & Trim Level:
    2001 Sport
    So I have had my 01 Sport for 4 years and about a year ago the CEL light came on. I took it to a local reapair shop and he claimed he cleaned the EGR valve and the CEL stayed off for about 2 weeks. I have been driving the exploder ever since until last Monday when I scaned the car and got the P0401 code so I purchased a new DPFE sensor and gas cap from Advance Auto Parts and installed then and then disconnected the negative battery terminal to reset the codes. THE CEL still come on!!!! any advice would be appreciated. Im new the forum and this is my first post so take it easy lol Thanks!
     
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  3. 2000StreetRod

    2000StreetRod Staff Member Moderator Elite Explorer

    Joined:
    May 26, 2009
    Messages:
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    City, State:
    Greenville, SC
    Year, Model & Trim Level:
    00 Sport FI, 03 Ltd V8
    Insufficient EGR flow

    P0401 Exhaust Gas Recirculation Flow Insufficient Detected

    1. test the EGR valve
    2. assume the new DPFE sensor is good
    3. test the EVR

    Link: EGR System O&T
     

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