afreakingcat
New Member
- Jun 22, 2025
- 5
- 0
- Truck Year
- 2015
Have had hpfp done, lift pump is brand new. It's not a fuel issue. This is coming after fixing all my fuel issues. I have codes for exhaust pressure sensor high, and exhaust pressure sensor performance. One code for EGR flow high came up. Could the EGR valve be stuck open?