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esbstuff · 04-03-2015, 11:20 PM

One other thing... Check to see if the oil you are using meets the newer GM specifications. Some (most) oil does not and will cause oil problems. Its called Dexos Additive (Spelling?)

04-03-2015, 11:20 PM	#9
esbstuff Registered User Join Date: Jun 2011 Location: St Robert, Mo Posts: 730	Re: 2011 Denali 6.2L No Oil Pressure One other thing... Check to see if the oil you are using meets the newer GM specifications. Some (most) oil does not and will cause oil problems. Its called Dexos Additive (Spelling?)