Take the car back right away to the shop that did the oil change. We know there is something else wrong that is likely not related to their work, but you can be sure they are going to search really hard to find the cause so you do not have a major engine failure of an engine they worked on.
They are going to look for the highest place they see oil. Leaking oil only runs down, never up. A leaking oil pressure sending unit and a leaking valve cover are two good suspects.
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Thursday, April 13th, 2017 AT 5:30 PM