when cold the oil is thicker, therefore will show higher pressure, as it warms up the oil pressure will typically linger around the halfway point. I've always run M1 0w-40 and when cold the oil pressure will hit about 3/4 with moderate rpm's until warm. If the oil pressure pegs out, thats not good as there cerainly is a restriction in flow pressent or a faulty pressure sender. Of course before getting on it, make sure the pressure has stabalized, typically it takes 15minutes+ after the coolent temp reaches normal before the oil reaches operating temp.
oil pressure
when i start my titan first thing in the morning, the oil pressure on the dash shows it gets higher. why does it do that? what happens if it goes all the way up?
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