Update from https://forum.ih8mud.com/showthread.php?t=144009 for those few in this forum who have the 3.4
Well, after fiddling and fiddling, I figured out that I goofed up the throttle body. The FSM says use carb cleaner, but the local toy dealer said that the 3.4 TB has a special film on it that gets eaten by the carb cleaner. I compared my junkyard TB with my old one, and could detect no film, but that doesn't mean it isn't there. I suspect that the film may have been on the Idle Air control valve and that is what was eaten, but I am not motivated enough to take the new IAC and put it on the old TB to see if it works.
Anyhow, an 85 dollar junkyard TB was the fix....
Cheers,
Dan
Well, after fiddling and fiddling, I figured out that I goofed up the throttle body. The FSM says use carb cleaner, but the local toy dealer said that the 3.4 TB has a special film on it that gets eaten by the carb cleaner. I compared my junkyard TB with my old one, and could detect no film, but that doesn't mean it isn't there. I suspect that the film may have been on the Idle Air control valve and that is what was eaten, but I am not motivated enough to take the new IAC and put it on the old TB to see if it works.
Anyhow, an 85 dollar junkyard TB was the fix....
Cheers,
Dan
