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I ran the car out of oil almost completely and it overheated it’s never overheated before it’s been over a hundred thousand miles on it and now the engine knocks when we turn it on and I just put new oil in it. What do you think the NACA Muse

Matthew Hyatt  This “I ran the car out of oil almost completely and it overheated” could be indicative of some major engine damage. From main bearings, to piston/rod damage and camshaft/ lifter/valve damage. I suggest that you have a mechanic at least do an inspection since it is a bit too much to go over. There are just to many variables with this.