Q: I have a similar issue with my 1961 Mercury M100 (basically a F100) with a 6 cylinder 223 engine. Engine starts right up and
I have an issue with my 1961 Mercury M100 (basically a F100) with a 6 cylinder 223 engine. Engine starts right up and runs great. However, when I get on the Highway it reacts like it is running out of gas. It doesn't shut off but it will not accelerate. When I exit the highway it runs perfectly. Any thoughts?
My car has 999999 miles.
My car has a manual transmission.
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