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Dodge Durango idling up and down



  • rnshaernshae Posts: 2
    Mine did the same thing. It was the power steering pressure sensor. This sensor controls the idle when ac is on or when idling in stopped traffic. Hope this helps.
  • rnshaernshae Posts: 2
    Mine also had a crazy idle. Wanted to die unless the ac was on, but surged all the time. I had to replace my bad PCM in order to find the trouble code on my 01 Durango. Bought a remanufactured one off the Internet from some place in FL for under $200. Just had to swap it out and drive.

    Anyway, trouble code showed the power steering pressure sensor was bad. It controls the idle speed during stops and starts and when the ac is on. Haven't had a problem with the idle since. Of course this is a dealer fix. Local garages wouldn't do it. Hope this helps.
  • flmikeflmike Posts: 3
    I had same Problem, mine was a throttle position sensor
  • flmikeflmike Posts: 3
    I have an 01 Durango. It seems to happen sooner when it is very hot outside or once the truck warms up. The wipers, horn, door dinger, and security light on dash all flicker. The door locks lock and unlock, and if the headlights are on they flicker also. I have figured out this much, if I take the fuse out that is labeled over H/D console purge it all stops, but my A/C stops working with that fuse out I think it is something in alam but unsure. If anybody has any Ideas please let me know
  • chrissyvchrissyv Posts: 5
    Hey thanks for the info but I already replaced that and unfortunately it didnt fix my problem. :(
  • Similar issues with other posts, had the TPS replaced and it now runs and idles like new! Thanks to all who posted.
  • First of all I want to thank everybody who has posted regarding the idling issues they have experienced with their Dodge Durangos. My husband and I purchased a Durango a month ago and almost immediately we started experiencing the same idling issues other people have mentioned in this forum. When we first started the vehicle, before even taking it out of park, the vehicle would start idling erratically and surging. Then while driving at continuous speeds the engine would surge and the RPM's would jump around all over the place which caused jerky movement. I had no idea what was going on but I knew it was not right. We ended up taking it back to the Dealership where we bought it 4 times before they even acknowledged there was a problem. They kept telling us that no codes were registering and that when they drove it they were not experiencing the same idling surging issues that I was. That is when I started my research. This forum and all the stories and suggestions were a lifesaver. It made me feel like I was not crazy and also helped me understand better what was going on. Armed with my information I started directing the Dealership on what they needed to check. They finally agreed with me and replaced the TPS, cleaned the IAC and the entire throttle system. I have only been driving it for a couple days since the repairs have been made but so far it is driving like a dream. It almost scared me the first time I drove it after the repairs were made because it was driving so smoothly and I kept anticipating the idling to start jumping and the surging to start. But so far nothing. It seems like we fixed the problem. I will definitely be keeping my eye on it because other people have stated that they made these repairs and after a couple of weeks the problem started again. I have my fingers crossed and will keep you updated.
  • burdawgburdawg Posts: 1,521
    I have a 2000 with 104K miles, but it's pretty much the same design. Cleaning the IAC valve sometimes will only work for a little while since it will tend to gum back up quickly in many cases. The air passing through it will still have contaminants even though it passes through the air filter. The TPS is just a variable resistor that changes resistance as the throttle is opened/closed. It's easy to test with an ohmeter. I think a lot of TPS' get changed when they don't really need to be, but it's not an expensive part relative to other things.
    I've cleaned the IAC a couple of times but the next time I'll probably just replace it.
  • audia88audia88 Posts: 2
    I also have a 99 durango and this happened to me would just shut off while driving very dangerous. I changed the pcm and have not had the issue since.
  • What does pcm stand for? Is this the engine computer (ECU) or another control modual? My durango had been having a problem like this a year ago & has just started doing it again. It also idles rough sometimes when stopped.
  • steverstever YooperlandPosts: 39,984
    Powertrain control module.

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  • papaespypapaespy Posts: 1

    2000 Dodge Durango 5.7L V8

    Had the same issue where the idle would surge while at a stop light or in park. Died a few times while idling. Replaced both the Idle Air Control Valve (or motor its called both) and Throttle Position Sensor and now she idles perfectly at 600 RPM. In my case, I believe the IAC motor was the culprit. Upon removing the part, I noticed it the plunger was extended more than the new part (It was stuck in the out position) and dirty as hell. Replaced both anyway since I was in there. Parts are available for approx $100 for both from Advance Auto. Make sure when you call you get somebody that knows what they are doing. Yes, they carry the parts they are NOT dealer only items!

    See attached image for location of parts!

    tps.gif 18.1K
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