Hey there, thanks for the reply. Unfortunately this started occurring prior to the egr delete. I installed the delete kit in place of cleaning soot out of tubes.
Is it the same one you can hear in my video?
mine was always a higher pitch. I still hear it, but now there is a lower toned whine, mostly noticeable around 1500-2000 rpm range.
it seems to have popped up when the truck threw the overboost code (p0234). Truck seems to be fine, no codes active...
Hey all
First post here. Trying to come up with next steps. I’ve got a ‘15 ecodiesel with 221000 km on it. Did the emissions delete with the HD diesel supply tune around 125000. Bought the EGR delete kit a while back and hadn’t had time to install. Started just recently noticing some coolant...