Incredible 2003 Corolla Battery Light And Check Engine Light Ideas. Battery dies when cold, below 60 degrees; When your engine’s check engine light comes on, it indicates that there is a problem that needs to be diagnosed and resolved as soon as.
Another way is to use a scan tool to clear the codes. Check engine light comes on and code reads catalyst efficiency below threshold clear code and check engine light comes back on after some time. Turn the head lights on and try to crank the engine, if you hear a click and the lights dim, it is a bad battery or a loose battery lead.
