Q: knocking in my engine

asked by on January 26, 2017

I noticed knocking in my engine it was low but not that low had 7 quarts in the engine left give or take and all of a sudden my engine started knocking. I have a rebuilt engine with on 18,000 on the engine. Not sure what happened. Do you think my engine is shot with about 7 quarts left in the engine.

My car has 240000 miles.
My car has an automatic transmission.

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