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2019 2500 6.4. On my last oil, pressures were 28-30 at idle and 50-55 while driving. Then I drained the old 0W40 Pennzoil Ultra Plat, tossed the Wix 57060XP and replaced both with the same. Now my idle pressure is 50 and driving peaks at 60.
I've seen those kinds of high pressures before, 2...
What orifice does the oil life gauge pull its numbers from? It reads 85% but I have 7600 miles on the oil, what gives. If I followed it, the oil would be peanut butter by the time it's changed.
Do these trucks have one of those fancy oil conductivity checkers, or is the remaining life just a WAG?