# Diesel Trucks **URL:** \ **Category:** PittSpeed Automotive\ **Created:** [October 8, 2009, 10:34am UTC](https://forums.speedlife.net/t/diesel-trucks/203891 "2009-10-08T10:34:25Z")\ **Posts on this page:** 1\ **Showing post:** 34
**Author:** ![Hidalgogt](https://avatars.discourse-cdn.com/v4/letter/h/b5e925/32.png) [@Hidalgogt](https://forums.speedlife.net/u/Hidalgogt)\ **Post date:** [October 13, 2009, 8:38am UTC](https://forums.speedlife.net/t/diesel-trucks/203891/34 "2009-10-13T08:38:09Z")
> [@Tires for Track Days/DE](https://forums.speedlife.net/t/tires-for-track-days-de/41223/30): > > it starts up you have to hold the throttle down about 1/4 ofthe way to get it to run around 1400 rpm then it starts to surge and drop to 300 rpm then back to 1400 then down to 500 then back to 1300. when its not surging it sounds good at 1300 rpm but if you let of the gas it dropps down to about 400-500 and it sounds just like a very cold diesel truck until it stalls out. he replaced the cam sensor and that didnt do crap balls. It may be the ICP sensor. Expensive lil thing. Goes on the frontright side of the motor as your look into it on the front of the head so to speak. I know a guy who used to help me with mine and who I learned about the powerstroke from. I’ll pm him, his number. --- _[View the full topic](https://forums.speedlife.net/t/diesel-trucks/203891)._