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Misfire in #6 cylinder code po 306
1999 Ford F-150

Misfire in #6 Cylinder Code PO 306

(1999 Ford F-150)
full of fluid in cylinder when went to change plug cleaned it up new plug worked for awhile now missing real bad again and same code. Any ideas what all I need to do to fix this problem.
2 answers & 1 comment
Popular Answer
on August 28, 2015
What engine.. 6 or 8 cyl ?.. Smoke//steam from tail pipe??
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what is the level, and condition of the coolant? might be a head gasket issue
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on August 28, 2015
What engine.. 6 or 8 cyl ?.. Smoke//steam from tail pipe??
Sign in to reply
what is the level, and condition of the coolant? might be a head gasket issue
what kind of fluid was found? coolant, or oil? was the fluid found on top of lug before removal, or was the cylinder full of fluid
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