normal oil pressure is 48 to 60
Anything above 5 psi at idle will lubricate your engine. There is no maxim oil pressure for a 2003 Chevy Trailblazer. When the engine is cold and the oil is thick you should see 60 to 80 psi.
I think around 40-60 psi maybe lower if engine has been running awhile!
The normal oil pressure on a GM 305 engine is between 40 and 60 PSI depending on the model year. High oil pressure is needed to allow for proper circulation through the engine.
The oil pressure gauge will fluctuate on a Chevy Tahoe when the vehicle is idling and when the vehicle is driven at highway speed. Idle is usually 30 psi oil pressure or slightly more. At highway speed, the oil pressure should be between 60 psi and 80 psi.
Probably 5 psi to 60 psi.
50 PSI
This old? 20-60 psi at idle
40 on idle up to 60 while on the move.
Normal is 20 to 60 psi.
The 4.3L, 60 to 66 psi. The 2.2L, 41 to 47 psi.
The users manual stats that the oil pressure at idle should be 13 lbs minimum and between 40-60 at hiway speeds