Ummins ISX15 Random Overheating

[iAMTrucking]

(10-25-2016 )T680 Wrote:  Oh man if I understood it well from ur post that truck is overheating just and only when u are in or @ it.....keep a bit of a distance ....maybe

seriously what u have there is weird....hope that somebody here will give u an idea were to look now that the shops cannot find it....

I thought of that...perhaps if I stay beside truck while mechanic does his job...then we can find the issue...LOL

[iAMTrucking]

Cummins idled and placed on Dyno with simulated load... did not overheat. They updated the ECM. My turn...