Help with reoccuring misfire in cylinder 6 ... ???
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Cadillac STS Forum - 2005 through 2012 Discussion, Help with reoccuring misfire in cylinder 6 ... ??? in Past Cadillac Vehicle Discussion; Hey Wanted to know if this has happened to anyone else. About 3 months ago I had all my spark ...
  1. #1
    whytewunder055's Avatar
    whytewunder055 is offline Cadillac Owners Member
    Automobile(s): 06 Cadillac STS4
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    Help with reoccuring misfire in cylinder 6 ... ???

    Hey

    Wanted to know if this has happened to anyone else.

    About 3 months ago I had all my spark plugs changed and the coil for cylinder 6 replaced. Car was driving great again.

    My cars been sluggish the last week or so and yesterday my CEL came on driving uphill. Code reads misfire in cylinder 6.

    Is it possible this is a different problem like the actual cylinder and not the coil?


    06 STS4 with 107k


    Any help is appreciated.

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  3. #2
    1BadCadSTS's Avatar
    1BadCadSTS is offline Cadillac Owners Connoisseur
    Automobile(s): 05 STS4
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    V6 or v8?

  4. #3
    whytewunder055's Avatar
    whytewunder055 is offline Cadillac Owners Member
    Automobile(s): 06 Cadillac STS4
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    Re: Help with reoccuring misfire in cylinder 6 ... ???

    Sorry, its a V6.

  5. #4
    EChas3's Avatar
    EChas3 is offline Cadillac Owners Master
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    Re: Help with reoccuring misfire in cylinder 6 ... ???

    Is the plug oil fouled?

  6. #5
    whytewunder055's Avatar
    whytewunder055 is offline Cadillac Owners Member
    Automobile(s): 06 Cadillac STS4
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    Re: Help with reoccuring misfire in cylinder 6 ... ???

    ^
    No, Its not.

    The mechanic is replacing the coil for me this afternoon but I'm assuming there's got to be something cause the coil to go bad this fast.

  7. #6
    1BadCadSTS's Avatar
    1BadCadSTS is offline Cadillac Owners Connoisseur
    Automobile(s): 05 STS4
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    I know the v6 like the n* is cop but perhaps the boot and spring is failed. Replace them.

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