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Idle issue help

Tmoore81

NAXJA Forum User
Location
Idaho
89 xj 4.0 auto and cant seem to figure out the idle issues im having. When cold it barely wants to idle as it warms up the idle will slowly raise and then wants to stay around 1300. If you shut it off for a bit and start back up it seems normal 7-800 range. When its 1300 i can unhook the map sensor hose and plug it and idle goes down to normal, if you do this when cold it will not idle

Tried new map, iacv is clean used a can of brake clean all around the i/m and never jumps all i/m bolts are tight

I still gotta test tps voltage but i just dont think thats it. Vehicle drives fine. Banging my head against a wall cause im out of things to try. Any ideas are greatly appreciated
 
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