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tune up on 2003 Chevrolet Silverado 1500

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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?
(1) Answer
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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.
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