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AutoMD Member

AutoMD ... 12/23/2013

1993 Buick Park Avenue Base 6 Cyl 3.80L

Engine

What causes oil pressure to go down.

I replaced the oil pump kit and oil assembly unit

1 Answer


CVO

CVO 12/24/2013

Oil galleries could have been partially plugged up with oil residues and they restricted the oil flow.
Check the oil pressure switch for their reading accuracy.

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