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  1. StibbyWonder

    Don't spray your engine with water!!

    Is there a way for for my Ford Expedition 2003 XLT model to avoid the water to sip in into the spark plug well? It seems like there's no rubber gasket protecting it from weather like rain water for example. I've noticed it when I replaced my 8 pcs spark plugs and I put compressed air to removed...
  2. StibbyWonder

    P0171 & P0174 OXYGEN SENSORS SYSTEM TOO LEAN INQUIRY

    Wow this forum is awesome! Thank you all guys for your inputs and will reply to it once I follow all your recommendations. Also I forgot to include in my inquiry is that there is a "hissing" sound in the brake pedals. I'll try to take a photo of it where the hissing noise came from. When I go...
  3. StibbyWonder

    P0171 & P0174 OXYGEN SENSORS SYSTEM TOO LEAN INQUIRY

    Hi guys! I just registered here in the Ford Expedition forums as I go deeper in searching to resolve my problem with my Ford Expedition 2003 XLT model and I am desperate to get knowledge and answers from you respected professionals with Ford. The history of the car when I repaired it, is...
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