2020 ram 3500 dpf Regens 70 to 100 miles has been in dealership 2 times they they found hose leaking to cooler 2 times after full regen next day it goes to 1st bar then by 70 miles goes into regen fwy miles I hit a pot hole it will drop from the second bar back to 1st or down to nothing any thoughts just had the recall completed for fuel pump same issue