Q: Why does my check engine light come on then turn off?

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My check engine light came on and so did the VSA and the ! in my Acura while I was in third gear (35 miles per hour), It started to stall as well not allowing me to electorate (limp mode). I pulled over, turned the car off, tightened the gas cap (4 clicks). I continued driving and eventually the check engine light turned off. Next day the same thing happened. Do I need to get a new gas cap or is something else wrong?

My car has 113900 miles.
My car has a manual transmission.

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