Thanks mate, I think I will sleep a little easier tonight. And thanks for posting up all the info in the first place and what you did to try and solve the issue, it was very helpful. We might see you back on this thread again when you get the next one ;)
Hey Harry I just wanted to let you know that my issue with the cold start idle has fixed itself!
Yesterday I replaced the o-ring on my IAC valve as the old o-ring had perished and it had been on my list of things to do for a while. To mix things up, I installed a spare IAC valve I had from a 97...
Hi Harry I just thought I would chime in as I have had exactly the same problem as you for around 2 years now. I have a 93 FZJ80 Aus version but just like yours one day my cold start idle went from 1200rpm when cold straight to 650. It happened just after my mechanic had the rocker cover off to...