Is the air filter dirty?
That will cause your current symptoms and the cold start issues.
A dirty gas filter also will cause both symptoms.
Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail >the car seems to be starving for gas and acts like it is going to stop. First it was happening when I reached 60 miles per hour. Now it is happening all the time when I start to pull up.
press on the gas.