Engine light on

Battery would not likely to cause the check engine light. The best solution to your Check engine light is to first bring it to a facility that can read the code from your vehicles computer. With that information, you can begin to discover the root cause of your check engine light. The Computer moniters all of the sensors and components of your engine. Any one of them can cause the check engine light to illuminate.

what engine light? have u pulled malfunction codes out of the vehicle?

nothing to do with egine i does tune ups and oil changes and light is still on