Diesel Place banner

Discussions Showcase Albums Media Media Comments Tags Marketplace

1-3 of 3 Results
  1. Duramax Fifth Generation: 2011-2016 (LML)
    Hello all, New poster to the forum, long time non account follower. Anyways down to the nitty gritty. I have a 2012 LML throwing a P0191 code. Truck is deleted, FPS on the fuel rail deleted, CP3 Swapped, and EFI tuned. I have no idea what would be causing the code and I’ve had it in the shop 6...
  2. Duramax Fifth Generation: 2011-2016 (LML)
    Hello so my truck cranks but will not start. I plugged in my reader and I get the code PO191. which tell’s me it’s my fuel rail pressure sensor. I changed that and still didn’t fix the problem. Plugged the reader in again and still get the same code. Does anyone have any ideas or experience...
  3. Duramax Sixth Generation: 2017-2019 (L5P)
    I bought a used 2018 2500HD Duramax L5P and a week after owning got a reduced engine power warning and got it scanned and received the P0191 code and took it back to the dealership to address. Got some grief but they supposedly replaced the LH Fuel Rail & Pressure Sensor after 3 days in the...
1-3 of 3 Results