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Hi my name is ***** ***** I will be happy to assist with this here.I apologize for any delay.
With the oil being down only a quart this wouldn't have caused the engine to seize up.What can cause it to seize up is a failed oil pump or engine bearing failure which in turn can cause low oil pressure causing the oil light and the engine to shake and seize up.In some cases the engine can be removed,taken apart and rebuilt to correct this but this all depends on what is damaged.In severe cases like the cylinder walls being damaged or crank shaft being damaged usually replacement is best as sometimes rebuilding an engine can cost more then the replacement all depending on what needs done.
The only other option is to try and locate a used engine as this is usually allot cheaper then a new engine.I use a place like http://www.car-part.com as they usually will have something like this here.You would enter your vehicle info and what you are looking for and it should bring up a list of who has the engine as well as the cost and they can usually ship it right to your dealer or repair facility.I wish I had better news for you on this here but unfortunately when an engine seizes up in most cases it does need replaced.
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