Reply to thread

Message: <blockquote data-quote="FATTS_DC" data-source="post: 1563158" data-attributes="member: 33117">How's it going everyone, sounds like a simple question but I'm stuck atm....So, I bought an 04 GT from one of my buddies recently, and it came with a few issues that sounded easy enough to diagnose.  The issues that came with the car were easy enough to diagnose which were error coder P0306 AND P0307, misfires on cylinder 6 and 7 along with signs of gas wetting the tips of the plugs.  Given that the car has 180850 miles on it, I decided to change out all 8 coils and spark plugs.  After replacing all mentioned I cleared the errors and drove the car for a couple miles around town with codes popping up by the time I got back home.  A couple days later I went for an hour ride down south with no problems, but on my way back all was fine until I rolled into my driveway and the car started idling rough like it was misfiring.... again.  Plugged in my reader and P0304 came up.  I pulled out the plug in cylinder 4 and looked at it, but there were no sign of fowling or traces of it being wet.  I swapped out the coil from 4 to 3 to see if anything would happen after clearing error code and took it out for a drive, again started feeling rough during idling and felt like it lost some power.  I pulled the plug out again and still no signs of liquids or fowling?  What am I not seeing?  Any help would be great and helpful.</blockquote>