Will post pic, probably tomorrow, and I will look to see what engine type it is. That way, I can post a picture, and ask "what the hell is that, and what does it do, but most importantly, how much will it cost to fix."
I just purchased a 1975 FJ40, and the previous owner, like me, has little to no knowledge about automotive maintenance. Back to the question, the previous owner stated that I needed to add a lead additive each time I fuel up, or else, he did not know. The guy at local shop thought that it may...