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    Evaporator system diagram- PO456

    Hi guys. I keep getting PO456 after clearing many times. I know the gas cap is the easiest fix but is not the cure very often. I am going to check the evp system piece by piece looking for a leak or signs of wear. Does anyone have a schematic or diagram of the complete system? Finding...
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    spark plug problem

    Hi guys. Just posted an intro in the new member section. I have an 03 Eddie Bauer with the 5.4 engine. I know spark plugs blowing out of the head is quite common with my year and engine. I searched the tech and how to forums and only got more info on this problem The plug that came...
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    Newbie from North Texas

    Hey guys, Looks like a great forum and a nice group of members. I have had my 03 Expedition since 04 and have really enjoyed the truck and its reliability. It has 87500 miles on the clock. I will jump in now at the right forum (I hope) to ask a question about my spark plug that has jumped...
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