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2006 Explorer Limited making me crazy

Discussion in 'Stock 2006 -2010 Explorers' started by Johnnydop19, August 21, 2019.

^^Searches ExplorerForum.com^^





  1. Johnnydop19

    Johnnydop19 New Member

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    Location:
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    City, State:
    Southern Pines, NC
    Year, Model & Trim Level:
    2006 limited
    Ladies and gentleman,
    I have been a member here for a while however, this is my first port. I have been the proud owner of a 2006 Explorer Limited for 6 years now. I've been chasing some demons for about 16 months. It started with the P0455 code. Changed the gas cap with a Ford cap from the dealer. Code came back. Then I started getting the gas cap off warning light and the P0455 . Replaced the Canister Purge Valve under the hood and the vent canister solenoid under the truck on the passenger frame. Still intermittently get the gas cap light, regularly get the P0455. Started having some issues while attempting to fill up. Had to start barely pumping gas in for it not to shut the pump off. Had a couple of smoke tests done during that time and neither shop could find the leak.
    Now I am getting the following codes:
    P0135, P0141, P0155, P0161 all about the O2 sensors:
    as well as:
    P0443, P0456, P0455, P0456, P0457, and the gas cap light.

    Any thoughts?
     
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  3. Drewmcg

    Drewmcg Elite Explorer

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    Location:
    Michigan
    City, State:
    Ann Arbor, MI
    Year, Model & Trim Level:
    2010 XLT 4WD
    2002 XLS 2WD
    For my '02 (3rd gen), I was having really, really aggravating problems trying to fill the tank at the gas station. Tried lots of stuff. Finally ordered a replacement filler neck, put 'er on, and been happy ever since. I got mine on Amazon (Evans-Fisher, or some such). I usually order from Rock Auto but found a better deal on the big A. Good luck.
     
  4. Drewmcg

    Drewmcg Elite Explorer

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    Year, Model & Trim Level:
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    2002 XLS 2WD
    Also, if you want evidence that some of those codes can relate to the filler neck (albeit a different style one), see here: P0455 & Ford Extended Warranty
     
  5. Johnnydop19

    Johnnydop19 New Member

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    Location:
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    Year, Model & Trim Level:
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    Thanks Drew. I will shop around to see what I can find.
     
  6. Darin208

    Darin208 New Member

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    Year, Model & Trim Level:
    2006 4.0L XLS
    I am fighting something very similar.
    P0135, P0141, P0155, P0161 all O2 heater sensors
    as well as:
    P0403 (EGR Circuit Malfunction)
    P0443 (evap Emissions Cont Sys Purge Valve)
    P0645 (Air Conditioner Clutch Relay Control Circuit)

    I keep thinking since they come back within minutes...possibly instant, they seem like they are all connected to the same circuit that is failed in the PCM.....?

    The only other thing that would make these all come up instantly is a break or short in the harness that is a shared power or ground.

    I cant find a pin out for the 2006 4.0L on google.

    I am about ready to get a reman PCM and have a locksmith reprogram PATS. I have the cost down to about $250 total for everything.
     
  7. Johnnydop19

    Johnnydop19 New Member

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    Location:
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    City, State:
    Southern Pines, NC
    Year, Model & Trim Level:
    2006 limited
    Darin, good luck. Please follow up and let us know how the PCM worked out.
     
  8. Darin208

    Darin208 New Member

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    Year, Model & Trim Level:
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    Actually I was hoping for a reply with... here are the 2006 Ford Explorer 4.0L PCM pin outs and this is the one wire that's the problem because 6 other guys already did this. LOL! I know I am dreaming.
     

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