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WHN · 02-08-2021, 02:52 PM

Does the oil pressure drop after the engine warms up?

With 20w-50 oil, our oil pressure gage starts out pegged, than drops to 3 to 5 psi after warm up. At idle, warmed up, gage reads 1 to 2 psi. This is in the summer. Car is sleeping now.

Enjoy.

02-08-2021, 02:52 PM	#13
WHN Senior Member Join Date: Mar 2017 Location: Connecticut Shoreline Posts: 1,829	Re: Oil Pump Question Does the oil pressure drop after the engine warms up? With 20w-50 oil, our oil pressure gage starts out pegged, than drops to 3 to 5 psi after warm up. At idle, warmed up, gage reads 1 to 2 psi. This is in the summer. Car is sleeping now. Enjoy.