Q: Engine and radiator dash lights
I have a 2003 Cadillac DeVille North star v8 4.6l and the service engine soon light won't go off. My engine start and runs fine but smoke was coming from the middle of the engine for about 20 seconds. What could be wrong? The check coolant level comes up on my dash but my resvouir is full. Idk what could be wrong, also there sometimes a rough start in the morning.
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