Recent content by chadbt2014
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Misfire help
To answer a few of the questions above. My mechanic changed the spark plugs when he replace the #1 cylinder coil. So I think they should probably be ruled out. There are only maybe 200 miles since the oil change. I assume that they put the same plug wires in their original location when...- chadbt2014
- Post #5
- Forum: Engine & Drivetrain
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Misfire help
I swapped the #8 coil with another cylinder, erased the codes and drove it again. It's throwing the same P0308 code with the swapped coil. So my instinct about the coil seems to be verified. Any insight on this would be great.- chadbt2014
- Post #2
- Forum: Engine & Drivetrain
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C
Misfire help
I have a 2019 Yukon XL SLT with 5.3L and 4x4 and 115,000 miles. I had noticed on a trip to Colorado that there was some sluggishness or "mild kicking" when accelerating in the 1000-1500 rpm range. Especially in higher gears. No codes though. On our ride home, it was worse and finally threw a...- chadbt2014
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- Replies: 8
- Forum: Engine & Drivetrain
