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You want the oil pressure up, I have an older 2008 Cummins, CM-871, mandate removed on her so safe to idle. I will bump her up to 900 rpm, as that gets the oil pressure up around 32 psi. If this is your personally owned truck, these motors do not like to idle, not good for all of the tens of thousands of dollars of emission crap on there. If ...The Oil pressure thing must be normal, I replaced one recently as well that could easily hit 40 but was low at idle, new one now is 30 Hot at 1500, and 20 at idle. The valve cover is usually extremely accurate for identifying engines, it's hard to imagine that valve set or anything else on the motor was done correctly if they can't even tell a ...RE: Oil Pressure Relief Valve/Regulator. The picture on the right is of the updated oil bypass valve. It is located in the oil filter head. There is a 17mm allen plug that you remove and it is right behind that. If you have an early 2250, there was a campaign where they would send you the updated version free.3. Fixing Surging At Idle. Surging at idle is a common issue in 6.7 Cummins engines. There are several steps you can take to fix this problem. Firstly, check for any vacuum leaks in the engine. These leaks can cause an imbalance in air/fuel mixture and result in surging. Next, address any fuel delivery problems.CUMMIN GET Discussion starter. 3 posts · Joined 2009. #4 · Aug 1, 2010. Oil pressure is normal at cold start, but will drop to zero after idling for less than 30sec. If i bring the rpm's to around 1500 the pressure will rise again. The filter was a Mopar from o'reilly.the Cummins gerotor pump is a high volume low pressure low head pump. it is easily damaged by metal cuttings or running dry. the flow of engine oil in the 5.9 Cummins is. 1. crankcase to. 2. oil pickup to. 3. gerotor oil pump to. 4. pressure regulator valve to. 5. oil cooler to. 6. filter bypass valve to.I've got a isx cummins engine that is losing oil pressure, drops from 40 psi to 22 psi every 7000 miles, was doing it every 10000 miles at first. If I replace the oil filter I'm good for another 7000 …What is Considered Normal Oil Pressure at Idle? Oil pressure is measured by pounds per square inch (PSI). Every car has a different normal, but you can find the information for your model in the service manual. On average, the following measurements are typically true. Car oil pressure: 25 to 65 PSI while driving, 20 to 30 …Here's the original specifications for oil pressure and a TSB about the new style pump. aluminum. housing. If you have the pump with the aluminum housing you shouldn't be getting the unexpected oil pressures as described in the TSB. I would check the oil for metal. Remove the oil filter and cut it open.The high idle on a Cummins ISC is a feature programmed into the engine's control module. It automatically increases the idle speed when certain conditions, such as temperature or other factors, are met. This helps to warm up the engine more quickly and circulate the coolant effectively. It is not harmful to the engine and can be activated by ...When I start the isx it only goes to about 45 psi. Haven't had it on the road, but the 45 cold makes me wonder. Noel. That is what ours runs also. 45-50 cold. 40-45 at temp at RPM running down the road. I have ran ours from 1400 to 1800 RPM's on the highway and it does not seem to make a difference.Driving home today something sounded different when I was at an idle, and my oil pressure was at 30psi and coolant and oil Temps were up around 200-208. Prior to today Ive always seen oil presser around 40-50 psi and Temps around 196-198. I'm due for oil change soon and just was wondering if there might be a bigger issue going on or if …Staunton,Va. 0. Ran yesterday oil pressure was normal. Shutdown for the night (no idling) and when I started this morning oil pressure was pegged at 100 psi. Turned truck off turned key to on but didn't start it and gauge went to 100 psi so figured I had a Guage issue. Ran a few miles pressure returned to normal for about 10 miles and then ...Cummins says to use high idle anytime you idle over 5 min. Plus let the engine start, build full oil pressure then go to high idle to build air. 2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft, HWH Active Air Charter Good Sam Lifetime Member, FMCA, RV'ing since 1957, NRA Benefactor Life, towing '21 Jeep JLU Rubicon EcodieselThe Cummins ISX aftertreatment fuel pressure sensor is located on the aftertreatment fuel shutoff manifold. It is above the front section of the exhaust ... The fuel rail pressure at idle for a 6.7 Cummins engine should be within the normal… Read More 6.7 Cummins Fuel Rail Pressure at Idle: Boost Your Engine's Performance.Doing around 60 MPH, I would lose boost. When I lost boost, any incline I climbed I would lose speed. There was no check engine light that came on. The truck would also idle unusually high at 800-1000 RPM. It idled like this during my 10 hour break at 1,000 RPM and when I woke the idle had returned to normal, 600 RPM.The fuel pressure relief valve on the Cummins ISX engine is located on the front of the fuel rail. To locate it, park the truck in a level spot and make sure the keys are removed or in the OFF position. The relief valve is situated at the back of the head. It is important to note that there is also a check valve located inside the fuel housing ...Dec 18, 2015 · 9622 posts · Joined 2014. #4 · Dec 18, 2015. Absolutely normal! I was actually reading through the diesel supplement manual last night and I read this same topic in the manual. When the engine is at normal operating temperature, the minimum oil pressures required are: Idle 700 to 800 RPM -10psi.Engine oil pressure must be indicated on gauge within 15 seconds after starting. If oil pressure does NOT register within 15 seconds after starting, shut off engine immediately and contact your local Cummins distributor. Recreational Vehicle Maintenance And Operation ISX12 Electronic Diesel Quick Reference Guide Cummins Inc. Box 3005Helijeep. Your oil pressure should not be the same at idle as it is when driving. If the sending unit is leaking air is getting in the oil system. Air is compressible and will cause your pressure to fluctuate. Good luck man. Also. A master gauge is a 1000 times more accurate than the factory gauge.

18-20 psi at idle is normal for an ISX with 35-40 above 1000 rpm depending on oil temps. Specs are: Oil Pressure, 15 psi (Idle), 35-40 psi (Rated RPM) It doesn't sound like you have anything to worry about if that is what you have for oil pressure.Re: Turbo Surging at Idle with Exhaust Brake. My truck just recently started doing this. It's a 2016 fully deleted 5" straight pipe and warp tuned by DRD. When I start the truck on cold mornings and turn the exhaust brake on it will spool up like normal but then start to surge. There's no surging when actually using the exhaust brake to ...When I start the isx it only goes to about 45 psi. Haven't had it on the road, but the 45 cold makes me wonder. Noel. That is what ours runs also. 45-50 cold. 40-45 at temp at RPM running down the road. I have ran ours from 1400 to 1800 RPM's on the highway and it does not seem to make a difference.I'll get an low oil pressure warning get back on the throttle. And the coolant gauge is worse. Factory gauge reads 210 and on edge is 185. Factory gauge doesn't move to 215 and then starts to rise. 2010 Gmc 2500 Duramax 853,500 Odometer miles - sold Nov 2018. 2013 LT CCSB SRW bought with 508,000 miles, now over 703,000 miles.

So I just bought a kenworth with a ISX 485ST Cummins and I'm getting low oil pressure at a constant 20psi city streets and highway speeds. And whenever it it goes a little bit below the 20psi mark the engine goes crazy, the check engine light turns on and then the stop engine light turns on and after a half of min or so the truck turns off while running.Feb 5, 2020 · Crankcase ventilation system: The Cummins ISX ’s advanced crankcase ventilation only needs replacement after every third or fourth oil change, allowing for more prolonged operation and more use. Cummins Intebrake™: The Intebrake™ can reach up to 600 braking HP, which helps control the machine and reduce brake wear.…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. Hey friends I have a 2010 kenworth t800 . Possible cause: 28922 posts · Joined 2010. #4 · May 24, 2021. If you do not know that w.