Question about 2001 Cadillac DeVille

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I bought a 2001 cadillac deville. It overheated on our way home. It has 120k miles. Ironically enough we know two other caddys with these issues. We changed thermostat, water pump, radiator cap, connected a loose hose. car ran great for over a week. Now its rough start(shaky), stilll will overheat after a while driving it(30 mins) and says low oil pressure please stop. The heat was not working properly and now seems to be. I am at witts end...could it be heater core? What else...not headgasket that we know of..checked them

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  • shelby gammon
    shelby gammon Feb 12, 2016

    my caddie is doing the same thing but mine does'nt say any thing about low oil pressure. and it over heats a lot quicker more like 5 mins later....but i haven't had my heads checked yet

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Do a compession check. Sounds like combustion problem. Possible running to lean also that can cause them to overheat

Posted on Mar 30, 2011

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