2005 Chevy Suburban
My 2005 Chevy Suburban starts and idles great but
when I hit 55-60 mph it starts to spudder.
Maybe a coil or two.
Anyway to find out which one?
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
I have no idea after that other than maybe one of the O2 sensors is out which I don't know after that.
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