Isx cummins low oil pressure

Cummins ISX11.9 EPA 2010 is a clean-sheet design that delivers everything you want – strong pulling power, excellent throttle response and high fuel economy numbers with legendary Cummins reliability and durability. A high power-to-weight ratio and strong clutch engagement torque make it ideal for severe-duty applications like refuse haulers ...

0. I have an 06 Volvo with a Cummins ISX. My oil pressure has been running on the low end (about 20 idle/30ish running). I only had to add 1 gallon of oil every 15,000 miles. I got my oil changed on 11/14. I drove about 400 miles last night and by the top I stopped my running oil pressure was at about 28/29 psi.The oil pressure sensor on an ISX Cummins engine is located on the left side of the engine, underneath the IFSM and behind the fuel filter. ... The symptoms of a bad oil pressure sensor include low oil pressure readings, oil pressure light or warning message on the dashboard, and engine performance issues. It is important to get the …I have a 2001 cummins isx 400hp. It has 770k miles on it. It will run about 1500 miles and the oil pressure falls off steadily. I change the filter and it comes right back up. If I use the lf9001 filt … read moreThe normal oil pressure when idling for a Cummins ISX engine is around 15-40 PSI. Low oil pressure in an ISX Cummins engine can be caused by various factors such as a scratched bore or a sticking regulator. It is recommended to have a minimum oil pressure of 40 PSI for a Cummins ISX engine.I have a isx that just got rebuilt completely overhauled… we are getting low oil pressure at start up (not warm) 13lbs at 700rpm 21lbs at 1000rpm 35lbs at 1500rpm We have used 2 mechanical gages and they read the same we have replaced oil pump, oil pick up tube, oil cooler, all the bearings cam, crank, and rod, oil regulator, oil filter housing… any info would me very much appreciatedThe Cummins Isl9 oil pressure sensor is located at the rear of the engine, on the right side. This sensor helps to monitor and regulate the amount of oil pressure inside your engine, ensuring that it remains within optimal levels for a healthy engine operation. Regular maintenance should include checking this sensor for any wear or damage to ...I wouldn’t drive it till sure it’s a bad sensor. You’re engine brakes require oil to work, so that’s pointing to low oil pressure. I have a friend with the CM 2250 ISX, he lost oil pressure, then found out his fuel pump disintegrated, plugging oil galleries that destroyed his engine. I hope that’s not the case with you.12-14-2017, (Subject: Isx oil pressure drops when let off throttle ) Post: #1. Kevinb3373 Established (0 Likes) Posts: 5 Joined: Dec 2017 : Isx oil pressure drops when let off throttle . New member, need help. I have had 2010 prostar with cummins isx for 3 yrs. 778000 miles, have done the egg, dpf delete. ...

The oil pump in a Cummins ISX engine is generally located inside the lower part of the engine, usually below and/or to one side of the crankshaft. If you notice increased engine temperature or low oil pressure, it may be time to replace the oil pump. Regular maintenance is essential to extend the life of your oil pump.Customer: i have 550 isx cummins that was remaned by cummins 60000 miles ago. ever since new engine was installed the truck has low oil pressure,oil gets 250 on pull,engine temp stays normal. truck wi … read moreThe Cummins X-series engine is an Inline (Straight)-6 diesel engine produced by Cummins for heavy duty trucks and motorcoaches, replacing the N14 in 2001 when emissions regulations passed by the EPA made the engine obsolete.Originally called the "Signature" series engine, the ISX uses the "Intellect System" (hence the "IS" which is …I have a 2001 cummins isx 400hp. It has 770k miles on it. It will run about 1500 miles and the oil pressure falls off steadily. I change the filter and it comes right back up. If I use the lf9001 filt … read moreAccording to the Cummins 5.9 service manual, the minimum acceptable oil pressure at idle is 10 PSI. In ideal circumstances, you would want to hover around 20 PSI of oil pressure at idle. That's what running an aftermarket oil pressure gauge on a healthy 5.9 shows. So, if your 5.9 Cummins has above 10 PSI of oil pressure at idle, then your ...Providing the Motor Coach market with a dependable heavy-duty platform, developed from a fully integrated and stable engine architecture and system design, the ISX12 provides motor coach entities with the benefit of low change. Available throughout 2018, the Buy America-compliant ISX12 will continue to use the established Cummins Aftertreatment ...Jan 17, 2016 · 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. The Angolan kwanza just fell to a record low, and Nigeria and Algeria's currencies aren't doing too hot either. Angola’s economy is in a rough spot, and its currency just hit a rec...

Topic. December 19, 2018 at 2:31 pm #50658. BAL. Participant. Engines: 6BTA5.9-M3 330. I'd like to confirm oil pressure with a mechanical gauge on my 6BTA 330's, and maybe leave the gauge (s) in place as a back up. The preferred hook up on top of the oil filter head is only doable with a 90 degree elbow since the heat exchanger is in the way.Oil pressure very low Cummins isx Discussion in 'Experienced Truckers' Advice' started by Gurjap, Nov 18, 2020. Nov 18, 2020 #1. Gurjap Light Load ... Hey friends I have a 2010 kenworth t800 Cummins isx engine and my oil pressure becomes very very low and the truck stalls. Then when I turn it off for 5-10 minutes I everything goes back to ...If you have high blood pressure or heart, liver, or kidney problems, your health care provider may suggest you lower your sodium intake. Look for these words on labels: low-sodium,...6 posts · Joined 2016. #1 · Aug 7, 2017. hi i have a 1993 cummins in my dodge w200 and it have low oil pressure, When it's cold it have 65-70 psi, and when its hot it have 5-10psi at idling, i have a mechanical oil gage, So I decided to rebuild the engine, the old mains and rod. bearing Was pretty worn out but the crank Looked really good no ...Low oil pressure could be: A plugged oil filter (time to replace, coolant in the oil, metal in the oil). ... Just overhauled my Cummins isx 2016 in a KW T680, change oil pump and now when truck is idle oil pressure is 19 to 20, before with the old one was 26 to 30, ...

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I would be more than happy to assist you today.The oil psi sensor is located on the drivers side of the engine in the center of the block near the fuel filter, the only way to verify pressure is with Cummins insite program or a mechanical gauge in the oil pressure sensor portBUY THIS Cummins ISX Oil Pump Assembly TODAY!!! https://tinyurl.com/2n9j64vyGet the right oil pump assembly for your engine & speak to one of our ASE Certifi...The Cummins L10 engine has an oil capacity of 38 liters, or approximately 10 U.S. gallons. The filter has a capacity of approximately 2.6 liters (0.7 gallons), and the oil pan has ...cummins isx..oil pressure..check engine light and shutdown..oil filter. I got a 2010 pete 388 with a cummins isx motor with 130,000 on it. ... I have heard that the older models of the cummins ISX pre egr are showing low oil pressure withe the new CJ4 oil as well as clogging Fleetguard oil filters.

Cummins..22-26 psi with the engine temp at 180 oil temp..oil pump. 2007 ihc 9900 500hp isx cummins has low oil pressure with high oil temp. The highest oil psi is 29 but runs 22-26 psi with the engine temp at 180 oil temp will be 220 and if you have heavy loads the o … read more. DR.Cummins.STEP 1A: Check the fault codes. Active or inactive counts of Fault Code 415? STEP 2: Check engine control module (ECM) calibration and clear fault codes. STEP 2A: Check if an ECM calibration If a calibration update for this update is available. fault code is available, does the ECM contain that revision or higher? STEP 2B: Disable the fault code.1st thing, those are not Cummins fault codes, I'm guessing you have a Volvo by the MID 128, you need the Cummins fault code number, example would be 691. 2nd, I would clean and inspect your manifold pressure sensor, & exhaust pressure sensor. Considering you probably don't have insight I would just replace them both, they are relatively cheap.I lost the oil pressure in my ISX which ultimately shut the truck down. I'm thinking it's the oil pump because she starts when she gets cold and the codes are cleared. Then she gradually loses presssure and after about 5 minutes she shuts down. D.I.D. displayed the following info: Engine Oil pressure value too low/inactive MID128 PID100 …I got a Cummins ISX15 that’s been having some oil pressure issues. Only thing is I haven’t actually pulled the head off and actually dug deep into it. So the problem before I took it out of the truck was that the oil temperature would rise to 235 sometimes even 245 super fast. Oil temps would get to 235 during parked regens when it was 90 ...The oil pressure for a 6. 7 Cummins ISB is measured by an oil pressure sensor located on the outside of the engine block. The sensor is connected to a pressurized oil gallery to measure the current oil pressure produced by the engine. It is positioned in the middle of the block on the left side and is used to display oil pressure on the dashboard.The pressure can drop on a good engine to 10psi on a hot engine and it is still in the good range. This drop was the cause that Dodge put in the computer controlled guage to stop complaints about the oil pressure. You said that the pressure will drop to 20psi at idle. That is normal and a good pressure.Maybe newer trucks run lower oil pressure. My old Cummins motors ran 60 lbs, and Formula's were at least 50. ... 2007 ISX in my KW oil pressure runs about 16 at idle ...Aug 10, 2559 BE ... Low Oil Pressure/Noisy Engine/Overheating/It May Be Time To Replace The Oil Pump In Your Cummins ISX. Highway and Heavy Parts•2.6K views · 13:57.

At 1200 rpm, Im running almost 20 psi. At idle, more like 4-6 psi. When the gauge drops off, running about 3 psi. Im really surprised at the difference between the mechanical gauge and the cluster reading. 07.5 3500 CC - deleted. 65 Cadillac Calais 12V Swap, NV4500 "Bone stock".

Cummins ISX12 350vYes I am sure it is too low and I have been to Cummins about it because the truck is new and under warranty. They won't give me a straight answer and reckon its running alright. ... Fan is going On for coolant temperature, oil temperature, AC freon pressure. Snailexpress, Apr 3, 2016. Snailexpress, Apr 3, 2016 #8. Mar 30, 2019 #10. fordtruckcs ...The Cummins X-series engine is an Inline (Straight)-6 diesel engine produced by Cummins for heavy duty trucks and motorcoaches, replacing the N14 in 2001 when emissions regulations passed by the EPA made the engine obsolete.Originally called the "Signature" series engine, the ISX uses the "Intellect System" (hence the "IS" which is …Mar 18, 2020. 0. Hey friends I have a 2010 kenworth t800 Cummins isx engine and my oil pressure becomes very very low and the truck stalls. Then when I turn it off for 5-10 minutes I everything goes back to normal but not for long. When I change the filter it goes 2-3 weeks no problem and then after that the pressure starts to get low again.Only 3 with 2019 6.7L engines. 1 engine is trashed due to low/no oil pressure. All 3 have logged extremely low oil pressure since new. He states the ECU in these buses can log the oil pressure and he confirmed the low oil pressure with a standalone gauge. 2004.5 Dodge SB QC 2500 2wd Cummins 600/6spd manual/3.73 LSD.We all know losing oil pressure can result in catastrophic damage to your engine. Boost your oil pressure and your engine's performance by replacing your... | engine, CumminsAttached are details of defective liners leading to high oil consumption. Cummins usually addressed out of warranty issues using "Policy" dollars. If outside base warranty then easy to get "Policy" help at 75 percent up to 4 years and 400,000 miles or 50%-25% at up to 500,000 miles. ... The problem is the were using a 3 stone hone on the liners ...

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I have a 2001 cummins isx 400hp. It has 770k miles on it. It will run about 1500 miles and the oil pressure falls off steadily. I change the filter and it comes right back up. If I use the lf9001 filt … read moreWhen the filter is plugged, the bypass valve opens to ensure oil flow to the motor. If you have the old style valve that leaks, it causes lower pump output pressure. The new bypass valve is more properly calibrated and also seals better when closed. There are 2 sizes of plug for the new bypass valve. 16.5 mm and 19mm.About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ... Worn or damaged oil pick-up tube o-rings: The o-rings that connect the oil suction manifold to the oil pump can become worn or damaged over time, which can cause low oil pressure. Replacing the o-rings is usually the best way to fix this problem. These o-rings along with the oil pump are both common issues on the DD series engines. Adequate oil pressure is the lifeblood of any engine's hard parts, so any issue that leads to low (or no) oil pressure is about as serious as it gets. Within the ISX15's oil pump, the oil pressure relief valve used to be notorious for sticking. Luckily, Cummins updated this years ago. However, that doesn't mean oil pump failure is non ...P180240 - Cummins ISX Oil Pressure Relief Valve | 4357177; P180240 - Cummins ISX Oil Pressure Relief Valve | 4357177. Manufacturer: PAI Industries. Price: CA$71.94. Current Stock: ⓘ Limited Stock 🗨️ Request Availability & Alternates ...The Cummins ISX is the mainstream engine offered by Cummins for over the road applications. It is also used in the largest motorhomes due to the power and torque ratings. ... Oil Pressure: 15 psi (Idle), 35-40 psi (Rated RPM) Fuel Pressure Specs. Through 2002: 2002 & Up: Lift Pump: 10 psi: 10 psi: Gear Pump Cranking: 100 psi: 100 psi: Gear Pump ...The 5.9 Cummins oil pressure at idle should be within the normal range. A low oil pressure reading at idle may indicate an issue with the engine. We will explore what is considered a normal oil pressure reading at idle for a 5. 9 Cummins engine and discuss potential causes of low oil pressure.No oil pressure: Ron & Kerrie: Cummins Engines: 10: 05-08-2015 08:56 AM: Low oil pressure | erratic oil pressure | inconsistant oil pressure: GlennLever: Cummins Engines: 45: 08-28-2014 08:24 AM: Oil pressure gauge reading incorrectly? captncrunch: Alpine Coach Owner's Forum: 6: 05-24-2014 04:58 PM: oil pressure sending unit: malk415: Winnebago ...19 posts · Joined 2012. #1 · Mar 24, 2012. I have a 2006 ISX 450 and the jake brakes sometimes run very choppy and rough, enough to shake the whole truck somewhat violently. The problem comes and goes but seems to be warm weather related. It happened a lot last summer and stopped completely this winter and is returning now with the mid 70 ... ….

As a water temp sensor, it is located in the side of the cylinder heads. As an oil temperature sensor, it is located in the side of the oil filter stand at the front of the engine. This sensor determines temperature by changes in its electrical resistance. The oil temp sensor is located just behind the fuel filter, just below the back of the ...The low oil pressure light. I have a 2004 379 Pete daycab. The low oil pressure light and buzzer stay on even though I have about 40PSI on the gauge in dash when running. Wayne. Journeyman. Vocational, Technical or Tra... 6,177 satisfied customers. I have a 2004 International 9200i with the Cummins ISM. The.If those are both correct, check if the pressure is low. Low cranking speed: The engine needs to turn over quickly for the fuel pump to generate pressure. The fuel pressure activates the injection, and without the proper processes, a Cummins diesel engine will have hard starting issues. Low cranking speed is more common during colder seasons.What is the oil capacity for Cummins isx? Updated: 10/24/2022. Wiki User. ∙ 13y ago. Best Answer. Isx is 45 qts with a new filter. Wiki User. ∙ 13y ago.International. Mack. Volvo. Other Rides. All Products. Have your ISX engine running like new again with this aftermarket Cummins ISX oil pressure sensor from Raney's Truck Parts! Replaces OEM#: 4921517.C/S Low oil pressure and engine wont start Cummins ISX. ... Without further tear down what i assume is the low oil pressure caused the mains to run dry and allowed them to spin binding up the crank and causing the fracture. ... The DOHC ISX had a washer that would explode and send shrapnel through the gear train and into the oil pan though.Isx oil pressure low? Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Vivaspin, Dec 19, 2020. Page 2 of 2 < Prev 1 2 ... We have plugged in the computer( i dont know what its called) that has the cummins software and it read the same as the gauge. Oil changes and filter change never made a difference.Jan 17, 2556 BE ... How to install a stock Dodge Cummins Oil Sensor. This is a common problem if you have no oil pressure. This is how to install a new oil ...337 posts · Joined 2009. #1 · May 29, 2010. So I am pressure testing my oil cooler myself. I grabbed a piece of 3/8" aluminum. I skimmed it both sides using my milling machine to make it nice and flat. Then I used the housing to spot the holes in the plate. Then I drilled and tapped them to suit the screws that go into the block holding the ...I have an isx 15 Cummins with low boost pressure about 20. I have an isx 15 Cummins with low boost pressure about 20 psi. I checked turbo and it is ok. Checked for leaks in cache system no leaks. ... My 2007internation with Cummins isx was at 20 oil psi have fallen to 15 to 17 and give the truck a shake to it when at ilde ... Isx cummins low oil pressure, 19 posts · Joined 2012. #1 · Mar 24, 2012. I have a 2006 ISX 450 and the jake brakes sometimes run very choppy and rough, enough to shake the whole truck somewhat violently. The problem comes and goes but seems to be warm weather related. It happened a lot last summer and stopped completely this winter and is returning now with the mid 70 ..., ISX Well Servicing Applications (EPA 2007) Every element of the Cummins ISX has been designed and manufactured to optimize reliability and fuel economy, lowering the cost of your oil and gas operation while maintaining superior performance. The ISX features the proven cooled-EGR subsystem and VG Turbo. A Cummins Particulate Filter and a ..., I have a 2006 Volvo VNL with a Cummins ISX engine. The egr is deleted. ... The coolant levels out after i let the pressure out. I had an oil sample today at Speedco to check for coolant in the oil caused by Head Gasket. ... I've also seen cases where coolant will seep into the compressed air system when truck air pressure gets low enough, and ..., Customer: i have 550 isx cummins that was remaned by cummins 60000 miles ago. ever since new engine was installed the truck has low oil pressure,oil gets 250 on pull,engine temp stays normal. truck wi … read more, WARNING!!: ⚠️⚠️⚠️Always use the proper tools and safety equipment to perform this job. Failure to perform the job correctly can result in personal injury or ..., This engine oil has been changed several times, it happens with fresh oil just as quick as with old oil. The oil pressure with a new filter is 36-37psi @ 1600 rpms. When the pressure starts to drop it will steadily drop down, over a period of about 3-400 miles, untill the low oil pressure warning comes on and kills the truck., Apr 13, 2018 · Volvo ISX Cummins low oil pressure. the problem was the oil filter. , Cummins ISX CM870 (2003-06) Fault Code: 435 PID: P100 SPN: 100 FMI: 2/2 Engine Oil Pressure Sensor Circuit - data incorrect. ... This fault code occurs if the engine oil pressure sensor reading is different from any two of the other three. This check is only done once after the keyswitch is turned on and before the engine is started ..., 05/10/2011 11:20 AM. It is more common to get water in the oil rather than oil in the water. It's more a question of viscosity than pressure. The viscosity of the coolant could be as low as 0.3-0.4cps at operating temperature, whereas the oil is still likely to be well over 1.0cps., Hello Nich sirI hhave low oil pressure issue on cummins isx 2013. Oil pressure does not go over 35 psi.Esn 79590818Replaced oil Pressure relief valve already but still issue Oil and filter was replaced not too long ago. Submitted: 5 months ago. Category: Medium and Heavy Trucks., Isx cummins we have low oil pressure also over full oil level it does smell like fuel. 485 hp isx cummins in a 2010 - Answered by a verified Technician ... 07 international 9400i Cummins isx. Low oil light comes on but I'm full of oil and just changed the oil sensor 3 days ago still having the issue and it cuts my truck off ..., Follow procedure 006-075. when the Water-In-Fuel (WIF) sensor is activated. by pouring fuel in the center hole (clean side). Recommended procedure is to install filter dry and turn the key switch on and off 3-4 times and allow the priming pump to fill the filter. If you have to pre-fill the filter, use the smaller outside holes., Low oil pressure, Customer: i have 550 isx cummins that was remaned by cummins 60000 miles ago. ever since new engine was installed the truck has low oil pressure,oil gets 250 on pull,engine temp stays normal. truck wi … read more, If I had a 5.9 with low oil pressure the FIRST thing I'd check is the pressure regulating valve located in the oil filter adapter housing. If a piece of trash gets in the valve and sticks it open or even partly open oil press will drop. If the engine has many miles on it I'd put in a new regulating valve and spring., The 6.7 Cummins oil temp sensor plays a crucial role in monitoring the temperature of the engine oil. It is located in the side of the oil filter stand at the front of the engine. As changes occur in its electrical resistance, it determines the oil temperature. This sensor is vital for ensuring the engine operates within optimal temperature limits., 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 ..., Worn or damaged oil pick-up tube o-rings: The o-rings that connect the oil suction manifold to the oil pump can become worn or damaged over time, which can cause low oil pressure. Replacing the o-rings is usually the best way to fix this problem. These o-rings along with the oil pump are both common issues on the DD series engines. , About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ..., New Shop Info: https://goo.gl/maps/HzwG98iioszjQWRP6TAT Express Inc.972-225-30174140 Langdon Rd.Dallas TX 75241Now Hiring!Here at TAT Express, we are alw..., Jun 16, 2010 · 55. Jun 6, 2009. Coeur d Alene, ID. 0. I was wondering what other's are getting for oil pressure out of a cummins ISX? I have a 2008 cummins ISX 500HP in a Pete 388. Oil pressure runs about 35-38 while warmed up and running 1200-1400RPM. In my old CAT the Oil Pressure ran 60 +/-. dmg1029, Jun 12, 2010. , Oil pressure at No-Load Governed Speed 207 kPa [30 Psi] Pressure Drop Across Oil Filter (maximum allowable with 15W-40W oil at operating temperature) 172 kPa [25 Psi] Oil Capacity of Standard Engine High 41.6 liters [11 gal] Low 34.1 liters [9 gal] Oil Filter Capacity of Standard Engine Combination Full-Flow/Bypass Filter 2.2 liters [0.58 gal] , 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., The oil pressure relief valve in a 5.9 Cummins engine is located at the oil pump outlet. It opens when the engine oil pressure reaches a certain value and ... Low oil pressure in a diesel truck can be caused by low oil levels, burning by worn piston rings, evaporation, or an unknown leak. ... The oil pressure at idle for a Cummins ISX engine ..., It's been about 10thousand miles since my last oil change in my 2009 ISX and I just started getting some low oil readings to. I just changed my exhaust back pressure sensor a week or so ago and that's been helping greatly. When I accelerate or am at cruzing speeds of 1200-1300 rpm's my oil pressure is fine, reading about 35-40 psi., Dec 22, 2016. #1. Got an 06 Cummins isx, change oil n filter and now oil pressure drops to 10 psi with a cackling noise, using a different oil and filter. Injun. Rabid Squaw. …, A known RV problem is the EGR cooler. It does fail on many occasions and the only repair that can be made is to replace it with the updated ISX cooler and an adapter kit. However, the cost of this repair can run around $4500. The EGR was in use on the pre-2014 ISL engine models., Sep 25, 2021 · Cummins ISX15 CM 2350 with no oil pressure. I just in-framed the engine. I modified the oil pump for higher pressure which in hindsight was probably a mistake. I shimmed the pressure spring 5/8 of an inch using washers. At first startup oil pressure was good. Surprisingly, the oil pressure was already higher than expected at idle (40 psi). , Circuit Description. The gear pump draws fuel from the fuel tank through a suction fuel filter and an anti-drainback valve. The gear pump develops between 1724 and 2620 kPa [250 and 380 psi] of fuel pressure. The fuel flows through a pressure fuel filter and fuel shutoff valve to the fueling and timing actuators and rail fuel pressure sensor., The Cummins ISX oil thermostat is located in the middle of the block on the driver's side. It can be accessed by removing the accessory bracket. The Cummins ISX engine is widely used in trucks and heavy-duty vehicles. The oil thermostat plays a crucial role in regulating the temperature of the engine oil. Understanding the location of the oil ..., LOW crank case pressure. Also, after oil change, oil pressure is good and where it needs to be. After 5 rhousand miles...oil pressure starts to get lower. Changed the oil and filter, oil pressure back to normal. Then oil pressure starts to drop after 3 thousand miles. Changed the oil and filter again, oil pressure back to normal., I have a 2013 Cummings ISX I lost all oil pressure mechanic first mechanic said my whole motor needs to be rebuilt so I - Answered by a verified Technician ... I have a 2012 Cummins ISX 15 that has a 2 cylinder high pressure fuel pump. The pressure had dropped to 5,000 psi at 1500 rpm and idle was down to 2500 psi. ... what would be considered ..., Friday, July 20, 2018 Fault Codes CUMMINS GTA38 K38 K50 QSK38 QSK50/60 CM850, Fault Codes CUMMINS Signature ISX QSX15 CM570. SPN100 FMI18 Engine Oil Rifle Pressure - Data Valid But Below Normal Operating Range - Moderately Severe Level ... -Low oil pressure. • Incorrect oil level.-Degraded, diluted or incorrect engine oil. Read More: SPN 110 ...