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Have a 2003 Yukon 6.0 with 220k miles. 5w30 mobile 5000 fresh oil. when I cold start in the morning I get 35psi idle and goes down to 30psi depending on rmps. when warmed up I get 35psi idle and pressure goes up with rpms...40psi at 1500rpm and 50psi at 2200rpm. my question is that what could...

Hello all, Looking for some help trying to find out what may be causing my oil consumption issues. any direction would be appreciated. My 2003 Yukon Denali 6.0 (209,000mi) had the rear main seal replaced about 10,000 miles ago because of leakage. I ran it awhile prior to the new seal. keeping...