Duramax Sixth Generation: 2017-2019 (L5P)
I recently bought a 2017 l5p, has 50,000 miles on it. This morning when I left I noticed my oil pressure when driving would shoot up to not quite maxed out, I let it warm up for about 6 minutes before driving. The temperature outside was around 35-40 degrees. After a few minutes it went down to...