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Thread: Miss fire

  1. #1

    Miss fire

    Does anyone know the firing order for a 300 i6?

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    Nvm I found what it was its 1-5-3-6-2-4 but now how do I find out which ones misfiring and how do I fix it?

  2. #2
    Senior Member
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    Quote Originally Posted by judaspriest75 View Post
    Does anyone know the firing order for a 300 i6?

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    Nvm I found what it was its 1-5-3-6-2-4 but now how do I find out which ones misfiring and how do I fix it?
    A misfire is usually an issue with the spark plug/spark plug wire not delivering a large enough spark to fully ignite/burn the fuel/air mixture in the cylinder. It can also be caused by the timing being off but that would usually cause all cylinders to misfire and the engine to run very rough. So basically once you find the misfiring cylinder replace the plug and if need be the wire as well.

  3. #3
    Senior Member lee reece's Avatar
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    Easy way to tell is to run it an pull one wire off at a time to see witch one doesn't make a difference in the way engine is running and if you find one definatly the one!

    2007 F150 XLT FX2 SPORT - 5.4l 3V 3.73 LIMITED SLIP EDGE/EVOLUTION PROGRAMMER

  4. #4
    Senior Member 5.0Flareside's Avatar
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    ^yeah but be careful cause it can shock the cheap outta you..


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