Why is my “CHECK ENGINE” light on?
“Why is my check engine light on?” I get this question almost daily. Since 1979, manufactures have put computers in cars, but still, every day, I'm asked to explain why a check engine (CE) light comes on. It’s a simple question, but requires a complex and lengthy answer however, we don't have time for that, so I'm going to try and make it a little easier to understand.
I could write paragraphs of tech... read more