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Help! P0306 code!

This is a discussion on Help! P0306 code! within the 3.8L V6 Naturally Aspirated (L36)(L26) forums, part of the Engine category; My 2006 grand prix threw the cylinder 6 misfire code when I went to change the plugs the cyl 6 ...

  1. #1
    SE Level Member Shutzero's Avatar
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    Default Help! P0306 code!

    My 2006 grand prix threw the cylinder 6 misfire code when I went to change the plugs the cyl 6 plug had oil on the plug threads any ideas before I start wasting money in parts by chasing this?

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    Donating Users Lawngoose's Avatar
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    Default Re: Help! P0306 code!

    Change the plug and inspect wires for burns/breaks.
    02 GTP 13.6 @ 100mph - SOLD

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    SE Level Member Shutzero's Avatar
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    Default Re: Help! P0306 code!

    I replaced the plug and it still is missing...ill check the wire tonight, any idea why there was oil on the threads though?

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