What are some causes for the check engine light on a 2001 silverado 1500 and any recommendations how to fix Thanks?

Answer 1

Quite often it's the oxygen sensor but you can't possibly know for certain until you use a code scanner. You can borrow, rent or buy a code scanner at most auto parts retailers. Most of the OBD2 code scanners (that's what your vehicle uses) are pretty easy to use and will tell you what's wrong in a somewhat usable message. The light is just telling you that the computer has information that you need to know. you need to reset the computer in your cars engin