2005 Chevy Suburban

10

Asked by Mikiej May 10, 2016 at 11:26 AM about the 2005 Chevrolet Suburban 1500 LT 4WD

Question type: Maintenance & Repair

My 2005 Chevy Suburban starts and idles great but
when I hit 55-60 mph it starts to spudder.
Any ideas

7 Answers

10

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

1 people found this helpful.
70

I have no idea after that other than maybe one of the O2 sensors is out which I don't know after that.

20

sounds like a fuel supply problem not enough fuel at higher speed have you changed the fuel filter

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

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