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miss fire

  1. D

    Engine shake

    Back again with yet another question that's probably been answered. 1997 Explorer E.B. V8 AWD has obtained a noticeable engine shake to it. I noticed it a few weeks ago while working on installing a new stereo. I had it idling and everything was running smooth then all of sudden it started...
  2. T

    Possible Vacuum leak?

    I have a 97 Ranger with the 4.0 V6 and 4X4. It almost sounds a little like it has a turbo and it's causing it to miss like crazy on cylinder number 5 but it's not throwing any CEL? It sounds like it's coming from somewhere near the firewall? Any ideas? I've searched all the lines that I can see...
  3. J

    Help: Harmonic Balancer/crankshaft sensor issue

    I have an 04 4.0 and I installed a new Dorman harmonic balancer to help with a rough idle issue. Now I am getting random misfire codes (P0300, P0301, P0305). I have brand new plugs and wires (motorcraft) and tested the coil pack. Do I have to replace the Crankshaft sensor for the new...
  4. C

    2006 Mountaineer firing order & cylinder misfire.

    I have a 2006 mountaneer which seams to miss fire when I am around 50mph. This cause me to repair my transmission, which by the way cost me $3400 about two weeks ago. Again, the same problem is happening and I do believe it is the coil or something that is causing this. Can anyone help?
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