engine has a loud knocking noise could it be a connecting rod bearing or something else

1997 NISSAN PATHFINDER
25,700 MILES • 6 CYL • AWD • AUTOMATIC
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RON1374
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old owner ran engine with no or low motor oil.i replaced sparkplugs and did a full oil change.
Jan 9, 2012 at 4:19 PM
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FIXITMR
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yah, definately sounds like bad engine bearing, probably rod.
Jan 10, 2012 at 6:02 AM