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  1. duckyman

    1997 XLT 5.4L Intake manifold tuning valve O-ring...

    Hello, All! I am need to know the part number or any data, about the O'ring on the intake manifold tuning valve (runner valve?) on a 1997 Expy 5.4L intake... Mine is cracked and I have not found any information on this O'ring... So I figured that the combined brains of this forum probably have...
  2. duckyman

    1997 Expedition 4WD 5.4L Running like crap...

    Several days ago, my normally great running '97 Expy 4WD 5.4 started to miss and stutter on acceleration. Having experienced bad coils in the past, I put my code reader on and it said cyl.#2 was misfiring, so I changed out the coil. It seemed to run better, but not perfect. Also, replaced the...
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