2003 ranger po305

Discussion in '1998 - 2011 Ford Ranger' started by juankyx206, May 28, 2009.

  1. juankyx206

    juankyx206 New Member

    i checked already:

    -changed spark plugs (0.46 gap)
    -new spark wires
    -new coil
    -injector #5

    when is at idle, does't show nothing the check engine, but the engine moves more than normal, after i drive it on the freeway, and i push the accelerator to get more speed, start flashing the check engine again (po305).

    please help
     
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  3. Rangerak

    Rangerak New Member

    Did #5 foul out again? If is misfiring like the the code PO305 says it is, did you pull that plug and take a look again? If the engine is shaking at an idle could be a burnt (ugh) valve or bad ring, and if tends to ping a lot you may be burning a piston. I suggest you do a compression test and see if it is a mechanical problem.
    R
     
  4. OP
    juankyx206

    juankyx206 New Member

    the ranger goes to mechanic, final opinion:

    bad cylinder :(
     
  5. Jon

    Jon Administrator

    sorry to hear that!
     

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