Originally Posted By: SavagePatch
Would it be a good idea to run an engine flush before doing the first oil change on a new to you 2014 Pentastar 3.6l w/ 36k miles and unknown service history? Or would running any name brand synthetic clean up any concerns that may exist? Thanks!
No (on the flush), unless there is a truly describable reason instead of an unsubstantiated fear or suspicion. Maybe do a UOA on the oil that came in it, then decide (maybe). Or a UOA on a new oil change interval maybe. Personally, I would not give it a second thought and run it with my choice of oil and filter as long as I did my research on the VIN and was satisfied with my own inspection of the engine.