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p0304

  1. Engine Tunes/Mods
    My 2003 TB all of the sudden started running bad at a stoplight. Check engine light flashed and then came on steady. Checked code when I arrived home. P0306, misfire cylinder 6. After going through the forum I decided to swap ignition coil 2 and 6 to see if the problem would move to cylinder 2...
  2. OEM Issues
    So I have a 2007 TB with about 113k miles, it has the I6 engine. I am very familiar with these engines as in the past I already have had an Envoy for many years and put over 175k miles on it. A few months a ago I started to get the cylinder 4 misfire code and I read about every forum on here...
  3. OEM Issues
    Well this is a long drawn out story that is worth writing and I thought I'd take a few minutes to share some experiences worth hearing about. All started a week ago, I was towing my RV back from Indiana and the TB started overheating, Check engine light was on and it turned out to be a bad fan...
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