Q: My car has been acting weird and I would really want to know exactly why the check engine and this other red light is on

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My check engine light has been on, it doesn't drive weird at all but lately has been making this ticking noise when I drive, I assume timing belt but I'm not sure. Also this red thunder bolt light that's in ( ) comes on when I idle and I don't know why, I've been turning my car off and then back on and my car starts to drive normal again. I

My car has 143000 miles.
My car has an automatic transmission.

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