My moms 2003 ford windstar has been having issues with jerking and the RPM bogs down, when pressing the gas but only when accelarating, not when its at a steady pace. It was tuned up 2 days ago but has had this issue for months. It seems to be worse when its wet outside from rain. We also noticed that it helps to turn the A/C off, and it doesn't jerk as much. What could this be? I dont know anything about cars.
Read more: Car jerking when accelarating?
