I have eventually looked at this again, after what @mattressking said, I've seen that the butterfly value moves when I give it a tap to return to normal idle.
I have played around with some spray carb cleaner targeting the throttle body and values and it did make the problem go away briefly. So...
So I have a bit of an issue with fast idle on my '88 FJ75. I think I have tracked the problem to throttle sticking. What happens after the engine is warmed up choke off etc. The idle returns to around 1200. After giving the throttle a little blip it drops right down to normal idle speed.
The...
Just wanted to check my understanding I have an '88 FJ75. I am looking at a seating adapters that lists as a BJ/HJ example. Am I correct in thinking that seats for BJ75 will fit FJ75 because the body is xJ75?
Thanks