I have not done a DIY tune-up since the days of points and condensors. I have a 2002 Chevy Silverado 6 liter with 110,000 miles and believe it time. Besides replacing the spark plugs, checking t...
All good advice... can only add this thought. While you're in there, why not change the wires? You have to pull them off to change the plugs and they're not that expensive. Also, the fuel filter will take a special tool to release the lines.