Q: Which one is the check engine light on the 2004 e-150?
on 2004 Ford E-150

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
Is it the one that looks like an engine?
(1) Answer
Take a look at the owners manual. Follow this link to find yours;

For samples of the Check Engine Light and learn what it means visit;