tune up on 2003 Chevrolet Silverado 1500

What is needed to do a tuneup on 03 silverado? plugs & plug wires what ele is is good to change out or do I even need to change out the plug wires?

Asked by for the 2003 Chevrolet Silverado 1500
1 answer
At 7 years old air filter,fuel filter and pcv valve should be changed and should clean throttle bore and fuel injection cleaning for a complete tune up.