I have a 2003 Chevy TrailBlazer.
76,000 miles
4.2 L V-6
We want to replace the spark plugs ourselves, to save a little money, and this may be a dumb question, but where are they located? We have change plugs before, but on older
[COLOR=green! important][COLOR=green! important]model [COLOR=green! important]vehicles[/color][/color][/color]. Could you help us out?? Thanks!!