Car stutters when accelerating.

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It's below zero, but I have a battery with high CCAs and it was warmed up to normal temp before I started driving. When accelerating on the freeway, the engine stutters and misses as if it's not getting a steady supply of air, fuel, or power. (I'm female with no mechanical ability, this is just a guess based on what it feels like.) When I tried to go from 50 to 70, the check engine light started blinking. I pulled over. I have about 1,000 miles left before my oil change is due. Temp gauge held steady. While in park, I revved it up to 3,000 RPM and held it there; no stuttering, no check engine light, didn't get hotter, no other errors or warnings. Any ideas?

My car has 54000 miles.
My car has an automatic transmission.

You could have gotten some bad gas from a gas station that has a lot of water in the fuel. When there is excessive water in the fuel, the engine will tend to run rough at a low rpm and run smooth at a higher rpm. Since the check engine light was on, I suggest having the computer checked to see what codes maybe stored or pending to have a starting point of diagnostics. If you need further assistance with your engine idle being rough, then seek out a professional, such as one from Your Mechanic, to help you.

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