intermitant miss and loss of power on 1994 Ford Ranger

sometimes runs fine/ have brand new coil/ fairly new plugs and wires. idle ok . more acceleration problem worsens

Asked by for the 1994 Ford Ranger
Did you ever find the problem with your truck?
No, I still dont have an answer . Although my ignition switch is not working just right . Have no idea if this could be related. Will probably just take it soon to have a diagnostic done.