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12 Ιουλ 2022 · You can't expect to have the same oil pressure throughout the RPM range of the engine. When at idle, the pressure will be low, when at 3000 it will be higher. Not in a direct line, not ever-increasing, but higher RPM will always have higher oil pressure than lower, up to the limit of the pump.
23 Ιαν 2012 · I recently bought an 08 Duramax with 32,000 miles on it and the oil pressure gauge seems to fluctuate more than any other vehicle that I've ever owned. At cold start, the pressure registers at 60, and once warmed up, it will dip down to around 28 at an idle. Is that normal? What should the pressures read at various temperatures and RPM's?
Ideal Duramax oil pressure ranges between 20-30 psi at idle & 45-70 psi under load. Common problems include faulty oil pressure sensors, clogged filters, and worn-out oil pumps. Regular checks and timely maintenance can prevent potential engine damage.
26 Ιουλ 2012 · As soon as it was working hard and towing a load that heated the engine and coolant, the WOT oil pressure would drop as low as 29 psi at 3000 rpm per the Edge Insight. First engine blew with just over 12K miles on the odo.
19 Ιαν 2017 · what is considered normal oil pressure on a 6.6? mine is running in the mid 50's at idle & 75 at speed.
25 Μαρ 2015 · The best way to check this is remove the sender and install a temperary oil pressure gauge to see the actual pressure. If that's good it is most likely a stepper motor in your cluster is bad. There's a DIY on this if you want to do this.
1 Μαρ 2012 · Everyone with a Duramax has been concerned with the Duramax oil pressure at sometime. As long as it has 12-15 lbs at idle-- nothing to worry about. The turbo boost has nothing to do with oil pressure-- it is the engine speed, oil viscosity, and oil temperature that will affect the oil pressure.
