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Trying to find out which coil is mis fireing to the engine.. Change out the spark plug all 6 oof them. Change out the one coil in the front which was the number 6. But still getting PO316 signal for this same coil

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Hello campbella697: My name is Roger and I will help you. THe code for #6 cylinder misfire is P0306. This is cylinder specific. How ever P0316 is a different problem all together. Not knowing the year,make,model and engine size I can give you generic possibilities. The code deals with engine revolutions. The possibilities are (1) a damaged crank position sensor (2)ignition system, (3) fuel injector,(4) running out of fuel (5) fuel quality,(6) base engine mechanical or a damaged power train control module. However this should be checked with a scanner by knowledgeable person or you will spend money you don't need to. Should you need further help I will be glad to assist you. Please rate the answer. Thank You for using Fix Ya. Roger

Posted on Mar 16, 2011

  • David Carpenter
    David Carpenter Aug 30, 2011

    I HAVE THE SAME PROBLEM WITH A 2005 FORD RANGER 4.0. I HAVE A SCANNER I BOUGHT FROM SNAP ON, AND THE ONLY CODES IS:P0306 AND P0316, I HAVE ALREADY REPLACED SPARK PLUGES AND WIRES AND THE COIL, STILL HAVE THE SAME CODES... WHAT IS THE PROBLEM I NEED TO LOOK FOR? PLEASE E-MAIL ME@ dcarpen24@gmail.com THANKS FOR THE HELP!

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