2003 Chevrolet Silverado 1500 Q&A
2003 Chevrolet Silverado 1500 Question: tune up
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? - Visitor
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. - CFAR
...know if I need to change the post 02 sensor or the cat. This code did not pop up until I did a tune up????
Not running it hard. Tires inflated correctly. Why not getting 17-19mpg? Plugs, maybe air filter...any thing else to check on this model?
I have noticed a slight jerking sensation lately in my 2005 Silverado (4L60E reman by Jasper, under 10k), feels like a miss but don't have a check engine light, checked for trouble codes anyway and...
what is the part# for the spark plugs on a 2001 chevrolet silverado 1500 v6?