I have a 79 and had the same exact problem. There is a fuse for the idle circuit that I cleaned contacts and problem was solved!
On my 79 bottom fuse on left side. Good luck!
Wow, just wow! A great build thread. I have a 79 FJ40 which is still a 78. I bought this truck in 2009 and it started and drove (not so straight) and I love it. I am going to buy a tub for it as it's so far gone and front fenders. I would love to do the kind of restoration that I'm seeing...
Welcome to the forum! I have a 79 that was still a 78, bezel, gas tank location are the give aways. It is stock engine 6 cylinder and needs a new tub. I've done a bit of research and these run the gamut, from a French brass beauty down to aluminum or fiberglass tub. I love this truck and will...