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Thread: 300x black sut

  1. #1
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    300x black sut

    I have a 2004 300x that seems to build up sut on the foil plate. coil? ecm? too much fuel pressure? bad sensor? I'm needing help figuring this out....black sut is got to be robbing power..

    it runs good , pulls good...but this cant be good...

  2. #2
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    How many hours? Maybe tired.

  3. #3
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    no its not tired.....

  4. #4
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    It's prolly a little fat. How do the plugs look.

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