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No oil on stick when check it refilled now have knocking sound from engine

(1999 Ford Expedition)
on August 13, 2017
no oil on stick refilled now i have a knocking sound coming from engine,what could it be thanks
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Popular Answer
on August 13, 2017
Sounds like damage could have already occurred from when it was low on engine oil. Have a local technician listen to your noise -- they can best advise you if it is lower end block noise or cylinder head noise -- it will give you a sense of what might be needed to repair your vehicle.
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Oil Leak Diagnosis
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on August 13, 2017
Sounds like damage could have already occurred from when it was low on engine oil. Have a local technician listen to your noise -- they can best advise you if it is lower end block noise or cylinder head noise -- it will give you a sense of what might be needed to repair your vehicle.
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