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  1. S

    P0171 & P0174 4.0L SOHC's Sport/Sport Trac

    You say "hose." Are you referring to the elbows or to the plastic hose between the elbows? I removed and checked both elbows good (top, bottom, side) and found no cracks. :us:
  2. S

    P0171 & P0174 4.0L SOHC's Sport/Sport Trac

    Hey guys. I have the same codes. I have removed and checked the elbow on either end but found no cracks. There is a lot of sludge all around the PCV valve. Does that throw a red flag up for anyone? Anyone have any other ideas? Thanks.
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