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