I have a 2007 Chevy Silverado with 208,000 miles on it the check engine light is blinking now and it's idling wrong also when he shifts it does it very rough!! When we stop it shakes a lot.
We had misfire on number 6 we
changed it the only code that shows
is a normal one that most car show
about the vin.
did you just replace #6 plug or coil? i would do a tune up and see if that helps
We just changed #6 because it showed misfire but still there is something wrong.......I believe it is the coil!
i think i would do plugs 1st
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