i have an 01 explorer with the 4.0 ohc motor. when u start it in the morning, or when it sits for a long time, it stalls right away, sometimes twice...it idles kinda bad at lights..any suggestions on what it could be?i was thinking idle air control valve, but thereis no check engine light so idk...any suggestions would be great! thanks everyone.....

 

check for vacuum leak, mine def. one right near the intake where one hose rub another one over time on miy 01 sport trac....

 

Done the same on our 03 Expeditionn

 

thanks guys i'll check that out!

 

that's a common problem, post back with an update after you check it out!

 

srry it's been awhile guys, i checked it out, and found that a hose wasnt plugged back in after i had removed the intake manifold cause of having to change the thermostat housing and cover. thanks for all the help guys!