How Much Oil Pressure Is Enough?
#1
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Join Date: Nov 2010
Posts: 35

Just curious. In general, how much oil pressure is enough for a car or light truck? I'm not having any problems. After a cold start, my '98 4dr 4wd 116,000 miles with 5W/30 reads 60 psi. Fully warmed up, it reads about 40 psi at highway speed and 20 psi when idling.
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