Fisher

This happened once to me ended up being the anti-theft system i took off the negative post put key on the on position then put negative post back on the turn the key as fast as possible and its starts …

mine did this ended up being the fuel pump would run perfectly for 30min drive then start shaking then i had to turn off for like 20min then it would start didn't think it was the pump since it ran …

check MAF sensor or IAC valve IAC usually only active while a/c on so try running it with it a/c off

look up if its equipped with a turn signal flasher sort of like a relay

for the ranger whenever the airbag light stays on and flashes its actually a code telling you theres an issue with the airbag system look up online and count the flashes mine ended up being thing that you turn off …