Oil pressure

Asked by Guru51PH Mar 27, 2017 at 04:44 AM about the 1991 GMC Sierra 2500

Question type: Maintenance & Repair

What should my oil pressure read

1 Answer
223,915

Rowefast answered 7 years ago

20 at idle and around 40 lbs with the rpms up. It would show higher when the engine is cold.

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