Normal oil pressures are 30ish at cold idle, 50ish at cold 2000 RPM's 10 plus at hot idle and low 40's at hot 2000 ARPM's. First thing you must do is pull the oil pan, check/clean the pick up tube and pull a couple of crank bearing to inspect for wear, then pull the front cover and replace your oil pump.
The oil pressure gauge on my 2009 LC is pretty much always at 1/4. the gauge in my 2000 LX was always between 1/2-3/4. Oil pressure gauge level. Thread starter gettnthar. Start date Feb 28, 2010. 11' same at 1/4 during idle, jumps a little when I punch it. Sounds like 1/4 is the norm.
Feb 10, 2018 · Depending on your rear-end gears, driving 55 mph in 6th gear you are only going to be a few hundred rpm's over idle speed. You are not going to generate much increase in oil pressure at low rpm's like that. If you have 10 lbs or more oil pressure for each 1,000 rpm's (at least 30 psi at 3,000 rpm for example) you are usually good to go.
Dec 05, 2004 · Hi there. My skyline has low oil pressure at warm idle according to the factory gauge. Only a few mm above zero. As soon as you take off it rises pretty quickly to around the 2 or 4 mark. When I got it it had 10W 30 oil in it. I now have 10w 40 in it with a genuine filter. Maybe now go to 15w 50....
Oct 28, 2009 · Oil pressure is OK if it is "in the green" - anywhere between 10 and 50 psi if the engine is above idle. On higher time engines, you may drop below the green at idle. I don't like seeing this, but it's there. How many hours since MAJOR and how many hours since top overhaul?
Finished installing my oil pressure gauge last night and noticed once the car is uber heated up like the conditions above the oil pressure at idle drops pretty low. When im crusing it goes up to about 70 psi. at higher rpms it climbs towwards 100 psi but at idle it drops closer to 20 or 30 psi.
Nov 22, 2015 · The book says 50-70 psi is normal and 28 minimum at 1800 rpm. Once it is started I only see 1 bar at 1800 and maybe 0.3 bar if I'm lucky at idle so it was shut down straight away. I have tried the obvious like a new gauge-no different. I have replaced the pressure regulator and relief valve in the sump- no different.
Dec 04, 2012 · Jeep lovers I cant figure this one out.. its a 1990 4x4 4.0 L Cherokee, Even after an oil change the oil pressure gauge says 40+ psi when I first start the motor but after warming up to 185 degrees the oil presure drops to around 20 psi and alittle lower at idel speed.