04 trailblazer
I just bought a 2004 trailblazer ran good i drove it
home i wanted to change plugs cuz of bad gas
mileage long story short i change plugs and now
misfire on cylinder 1 only i plug it in on my
computer brought up cylinder 1 misfire so i figured
it was the plug bought all new plugs nope still
misfire on cylinder 1 so i bought all new coils still
misfire on cylinder 1 so now im thinking about
changing the ignition coil connector