95 ranger high idle help!!

[huey]

Ive got a 95 ranger 4.0 5 speed and when u plug up the iac valve it idles around 2000 to 2400 rpms when u unplug it it idles under 1000 but seems like it doesnt run good. I thought when the iac valve went bad it wouldnt idle but ive been wrong before. could it be bad?

 

[snake]

Could be but try cleaning it first. Unbolt, unplug, spray with cleaner and replace.

 

[adsm08]

Spell out "you" .

Bad IAC will make it not idle PROPERLY. Sounds like yours is getting stuck open.