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06 ranger 3.0. truck runs really rough & has no power. Replaced plugs, wires,coil pack,fuel filter & fuel pump assembly. Also, replaced catylic y pipe a month ago. HELP, it still runs bad

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I would make sure the wired are in the correct order first, then make sure the fuel pump is providing the correct pressure. What prompted all the parts changes was it running poorly right along? or the result of changing parts. test the cam sensor and crank sensors make sure they are working. look for blockages in the exhaust from cat to the muffler done easily by removing the pips before the cat and start it it will be loud but if it is smooth there will be a blockage some where. make sure the air filter is not clogged. you may want to clean the I.A.C.( idle air controller) or replace it. check your fuel for water. I would start by double checking your work.

Posted on Apr 28, 2017

Testimonial: "truck was running great put it in park for a moment. when i put back in drive truck started misfiring cel was flashing, running really rough and had no power. that is what started everything. Except the 2 catylic coverters, they where placed month or so ago due to 1 catylic failing.Replaced the y pipe"

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  • David Dragon
    David Dragon Apr 28, 2017

    truck was running great put it in park for a moment. when i put back in drive truck started misfiring cel was flashing, running really rough and had no power. that is what started everything. Except the 2 catylic coverters, they where placed month or so ago due to 1 catylic failing.Replaced the y pipe"

  • Bruce Augustine Apr 28, 2017

    it sounds to me like it may be in limp home mode check fuse 13 make sure it is not blown

  • Bruce Augustine Apr 28, 2017

    if it is ok you can try to reset your pcm. watch this video it will show you how copy to browserhttps://www.youtube.com/watch?v=hZAsoqmq...

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Posted on Jan 02, 2017

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