So on a recent 60 mile round trip, my 07 Yukon developed a dead miss on #7 cylinder. Changed the spark plug, no change. Unplugged the coil pack and put another coil pack on it with a spark tester. It showed fire bust still had a dead miss. I suspect that the injector may be bad. Ideas...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.