+18 2007 Dodge Caravan Check Engine Light Goes Off References. If you have determined that nothing is wrong with your engine, yet your engine light is still illuminated, the service team at bettenhausen cdjr can walk you through the process of turning it off. Once you tighten or replace the cap, the light should go out after about 100 miles of driving.

This may also highlight an issue with your transmission. So, should you be worried when the check engine light turned off by itself? The catch is, that if you don’t fix the problem, the light will turn on again.