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99 dodge ram idle/start

814 views 4 replies 3 participants last post by  ofelas 
#1 ·
:rolleyes:

Hello....i was wondering if anybody could help me diagnose this problem with my 99 dodge ram 1500. Right now when my ram reaches warm temp it seems to Die, but when it cools down it starts and runs fine. i do have a K&N filter on it also. Let me know if you could help!! Thanks
 
#5 · (Edited)
Check the IAC on the back of thr throttle body first...with the engine off & in Park, have someone turn the key to the Run position (do not start) & listen to whether you can hear the IAC plunger clicking on & off from behind the throttle body.

If the TB has been pulled/modified, also check the throttle plate opening adjustment screw on the front surface of the Tb-many people mistake this screw for the idle adjustment screw (idle speed is a function of the PCM & related electronic controls).

Keep us posted of your results.

PS Do you know if the throttle body has ever been removed from the intake?
 
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