I just purchased an 86 f150 xlt lariat 4x4 5.0 a couple weeks ago. The problem im having is it starts right up the 1st start of the day, but as soon as you turn it off, it could be 10 minutes or 2 hours, you have to mash the gas pedal to the floor in order for it to fire off again. I was curious if anyone has had similar issues and what the problem could be. Thank you.