Join Date: Aug 2012
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High EGT with stock F350 and bullydog tuner
This weekend I was on the road for a 600 mile road trip for work. The first 300 miles went just fine. Had the cruise set at 65 and the bully dog triple dog GT tuner set on the no power mode. Once I reached my destination I I drove around maybe 10 miles in a few days and then made the trip back. About 2 hours and roughly 140 miles my tuner was reading high EGTs and began defueling. Temps were in the 1200s. I stopped the truck popped the hood and could hear the truck sucking in air and didn't not return to low idle but remained at 1100 rpms. The exhaust was extremely hot and I would estimate around that high temperature. I called bullydog and they told me jack s#*& but that my tune was out of date and to unistal the program and update it.
I uninstalled the tuner and drove the rest of the trip without any issues.
I have noticed that after unistalling the tuner my Turbo pressure is not as high as it was with the tuner set to no power.
What I'm asking is did the high EGTs mess up the turbos? What else could be the issue for the exhaust all of a sudden have high EGts?
Sorry about the novel but I figure better to have to much info than not enough.