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  1. K

    2007 engine power issues

    Just to close this out... My problem was a bad rocker arm on the #1 cylinder. Replaced it and the expedition runs like new. My assumption is that the rattling of the rocker triggered the anti-knock sensor and it retarded the timing.
  2. K

    2007 engine power issues

    i talked to a ford mechanic, he said the phaser wheel is causing my problems
  3. K

    2007 engine power issues

    The vacuum lines look old but cant tell if any are leaking
  4. K

    2007 engine power issues

    new air filter and recently new brakes; no dragging noticed
  5. K

    2007 engine power issues

    okay, I checked the torque and no change. I am suspecting the right phaser wheel is making the clicking noise. I am also thinking I may have a vacuum leak. I'll check for that today.
  6. K

    2007 engine power issues

    Hello, my 2007 EL limited has developed a ticking noise and it also has low power while driving. It has 118k miles, no codes, have changed the spark plugs, oil and added Lucas oil stabilizer. I have a code reader that I can view live data with while running. In the drive way and revving the...
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