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-   -   Stalling in cold weather. Air Idle Valve? (http://www.ramforumz.com/showthread.php?t=67429)

Todd F 11-29-2010 07:41 PM

Stalling in cold weather. Air Idle Valve?
 
I replaced my air idle valve a few years ago. Ever since then I've had problems with the engine dying in cold weather. Whenever I let off the throttle(at lower speeds) the RPM's drop to zero on the tach. Most of the time the engine starts back up after a half second or so, sometimes the engine dies. It only does it in colder weather. I've never noticed any problems in the summer. The truck runs great otherwise and Idle's fine any other time. It started doing this after I replaced the air idle valve.(years ago) I have adjusted the plunger on the idle valve in the past and I have noticed a slight change in idle RPM's, but they still drop after letting off the accelerator. Could the cold weather be causing the valve to gum up and be slow to react? (I am assuming it is closed when you are on the throttle, correct?) Any ideas? Any help would be appreciated. I have a 97 Ram with a 360.

RamTech 11-29-2010 10:37 PM

Try removing the throttle body and IAC and giving the entire assembly a good cleaning with carb cleaner. The IAC pintle moves back and forth to control idle speed so there aren't any adjustments to be made. It still moves to a point even when you're on the throttle.

Todd F 11-29-2010 11:38 PM

Quote:

Originally Posted by RamTech (Post 369917)
Try removing the throttle body and IAC and giving the entire assembly a good cleaning with carb cleaner. The IAC pintle moves back and forth to control idle speed so there aren't any adjustments to be made. It still moves to a point even when you're on the throttle.

Thank you. I've been told the exact same thing from a friend. I won't have a chance to try it until sometime this weekend. I'll post how it turns out.

Todd F 12-06-2010 10:12 PM

Quote:

Originally Posted by RamTech (Post 369917)
Try removing the throttle body and IAC and giving the entire assembly a good cleaning with carb cleaner. The IAC pintle moves back and forth to control idle speed so there aren't any adjustments to be made. It still moves to a point even when you're on the throttle.


Removed my throttlebody a couple of days ago, took all the stuff off and cleaned it well. So far, so good. The truck is running well, Thanks!


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