High Oil pressure reading, what will cause it?


Asked by Suncup Jul 19, 2013 at 03:52 PM about the 2003 GMC Sierra 1500 STD Extended Cab SB

Question type: Maintenance & Repair

High oil pressure reading on gauge. Is this something that will harm my engine? and what is casuing this. oil level ok, and no leaks.

2 Answers


first thing is,replace oil filter,like now! not oil, but filter. may be blocked and without a oil bypass for such incorporated !

3 out of 3 people think this is helpful.
Larry Gockley

My truck reads REDUCED ENGINE POWER. My oil pressure pegs out high. What's going on ?

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