Recent content by AlienfromUranus

  1. AlienfromUranus

    2006 Exp 5.4 3v missfire at idle

    Missfire number 3 at idle but stops a 1700 or so rpm changed injectors coils and plugs (all fomoco) same results lean on bank 1
  2. AlienfromUranus

    Constant misfire #3

    More info swapped spark plug coil and fuel injector from #3 to #1 no change still misfire #3 compression is 149 #3 and 151 on #1 o2 sensor Bank 1 sensor 1 showing 0.020 v Bank 2 sensor 1 showing 0.700v both are new OEM sensors
  3. AlienfromUranus

    Constant misfire #3

    I have a 2006 Expedition 4.6 3v XLT misfire on #3, rough idle have replaced spark plug, coil and injector and no change. While running timing is erratic and reading from MAF is near 0 at all engine speeds
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