2005 Chevy Suburban
7 Answers
Ok. Had a friend put his scanner on it and it showed #2 cylinder. Replaced the coil, wire, and plug. (No change). Scanner still saying #2 cylinder
Truckboy321 answered 8 years ago
I have no idea after that other than maybe one of the O2 sensors is out which I don't know after that.
dogwoodridge answered 6 years ago
sounds like a fuel supply problem not enough fuel at higher speed have you changed the fuel filter
check your fuel pump and filter
Chevyguy82289 answered 4 years ago
Could be a bad valve cover gasket leaking oil into the plug. Happened to me on a car I had and spend a lot of money on parts I didn't need. Don't cost nothing to pull a coil pack out and see