Failed Oil Pump on 1996 Chevrolet Lumina

The car stalled while driving. Repair shop says there's no oil pressure so oil pump must have failed and needs replacing. $750. Q: How common is oil pump failure and can it be clogged oil galleries? The oil is very dirty, I don't know when my son last changed it.

by in Garden Grove, CA on May 23, 2010
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2 answers
ANSWER by , May 23, 2010
it is not a common failure but not changing the oil can cause all kinds of failures. with dirty oil, any passage could be clogged with sludge Roy
ANSWER by , May 23, 2010
Could it cause zero oil pressure? And can it be flushed out instead of paying $750 plus? They may find other things wrong after replacing it?