I have a 2001 Monaco Diplomat Motorhome with a Cummins 330hp ISC. I think me and Jonny found our really problem , just have to test drive it later today !! Factory Tested. This is the turbo upgrade for you! This points to a problem with the EGR valve. Eventually causing trouble. Cummins ISX15 ECM. ! Power (HP) to weight ratio is a better indicator of climbing ability than just looking at HP along. Heavy-duty diesel engines should have their piston liners, bearings, and piston rings replaced at 500,000 miles, as well as service of the injection system and any other necessary improvements. inter cooler was changed had a hole in it after that everything was good then this boost issue came up so they changed fuel filters and also had it in the shop today and according to them nothing was found but i am still down in boost so **** it gonna drive it till sumthin blows up then they will have to fix alot more lol thanks for ur replys i dont thiunk they took the actuator off to check it but i think thats what the problem is its wore out but again no codes to go by so there hands r tied. Has anyone had experience with this engine, maintenance issues, recalls or any pros or cons. 2005-15 Various with 6.7L Cummins ISX, QSX Diesel Engine. This points to a problem with the EGR valve. Hello againI have a ISX 15 CM2250 that is surging at boost pressure during idle , you can hear what appears to be a valve oping and causing the VGT to cause boost. Many that I heard of, (from the Cummins service rep), were 2007 trucks with extended warranty, and Cummins replaced the blocks or engines, because Cummins has no repair for it. The information you are looking for is on cummins.com Cummins ISX15 ECM. Replacement Boost solenoid for Cummins HE351CW Turbocharger -Threads into the front of the Compressor housing -Fits all 2004-2007 oem Turbochargers *MADE IN USA $125.00 2007-2008 6.7 Cummins ISB Turbocharger - Holset HE351VE 3771655 4955402RX Another problem with the Cummins ISX turbo is lack of boost, which is often accompanied by high engine temperatures. Every element has been designed and manufactured to optimize performance and minimize maintenance. With the Cummins ISX 600 and the Allison 4000, mountain grades should not be a problem? From what I read, it's the earlier ISX 600-650 hp versions that "ate" an intake valve. Dec 28, 2016 #1 Good luck.. Posted on Aug 29, 2009 The ISX engine by Cummins is one of the most popular diesel engines on the road today. If you run into a cam over brake problem, I know a quick trick to get your brakes freed up. ATC-7040 Caterpillar 3400,C-15 & Cummins ISX 5. Cummins ISX Problems and Failures | Highway & Heavy Parts Another problem with the Cummins ISX turbo is lack of boost, which is often accompanied by high engine temperatures. Certification. Eventually causing trouble. Cummins ISX is designed for years of dependable service. SOURCE: Cummins ISB 5.9 in RV ,seems to not have any power starting out. Torque 1450 - 2050 lb-ft 1966 - 2779 N•m. Torque 1450 - 2050 lb-ft 1966 - 2779 N•m. Maybe, that's only N-14's. The first Cummins ISX engine was produced in 1998 and Capital Reman Exchange is proud to offer support for the Cummins brand workhorse. Replaced fuel lift pump in tank (factory upgrade previously done). Industry-leading engine brake performance. This is on a delete isx with the VG turbo . Tired of the problematic HE series turbochargers on your Cummins ISX CM870, CM871, CM2250/2350, X15 Engines? Come join the discussion about reviews, drivetrain swaps, turbos, modifications, classifieds, builds, troubleshooting, maintenance, and more! Have you noticed a big swing in fuel economy? Click Here to Contact Sales Select an Application. The first ISX was produced in 1998, as a response to the EPA's tighter emissions restrictions. Well, question did they pressure test CAC and boots while in the shop? I'm told Cummins redesigned the 600+ hp version of the ISX to solve the problem. Thread starter b1gr1g; Start date Dec 28, 2016; b1gr1g New Member. Cummins ISX problems DPFs not regenerating correctly. Want to make real horsepower power gains while maximizing up time? It is governed at 2500 rpm. The Next Generation came out with the Cummins ISX and had pretty much the same problems as the Cummins ISM did. Certification. Cummins ISX Problems and Failures. (03-07-2016 ) race7820000 Wrote: cummins said there is no way to manually adjust the timing on a newer isx like mine and that the ecm was updated last time it was in there. isx 15 450 emission problems all boil down to faulty exhaust valve seals. Like .5 mpg or more either way? Charging problem on 1996 Dodge Ram 3500 Cummins Turbo Diesel I had the same problem on a 94 dodge with the cummins. Blow-by is a condition where diesel fuel, air and vapor are pushed past the rings into the crankcase of the engine. Low power, no turbo boost until in 6th gear, then the boost hesitate and sometimes reach 15 psi on the boost and continuous BLACK … Factory Tested. I purchased a 2009 Volvo T780 with a cummins ISX 525hp engine ... Another problem with the Cummins ISX turbo is lack of boost, which is often accompanied by high engine temperatures. RoadRelay™ 4 is the most popular in-cab information Charging problem on 1996 Dodge Ram 3500 Cummins Turbo Diesel I had the same problem on a 94 dodge with the cummins. JavaScript is disabled. This kit allows your to install a BorgWarner Performance turbo on your ISX. This common problems are based on my own experience with this engine. Joined Dec 28, 2016 Messages 2. Depending on the version you have, common Cummins ISX engine problems involve the turbocharger, EGR, camshafts and timing wedge: Variable Geometry Turbocharger. so normally i am getting 38 to 40 pounds of boost now i am down to 30 max the turbo is around year and a half old but the actuator is original my question is can fuel filters bein gummed up cause me to loose almost 10 pounds of boost only code that was active was water in fuel nothin else showed up. Your boost is really low. I share knowledge of diesel truck diagnostics and repair to help DIY mechanics and professionals. You would get a warning light on the dash and a code stored in the ECM. ISX (EPA 07) Power 385 - 650 hp 287 - 485 kW. Part Number 4993120. Cammed over brakes will cause the brakes to lock up and you won't be able to move the trailer. Please provide engine serial number and VIN number during checkout to ensure proper programming and calibrating is performed. This is on a delete isx with the VG turbo . Any leaking CAC I've been associated with.. We provide a large range of Cummins SOHC engine parts and components. Oil pressure sounds good, mine hovers around 40 psi. For an excellent discussion on coach performance, go to this Caterpillar Corporation document (applies equally well to any engine): Also are you changing fuel filters every 15-20k miles? We are considering purchase of a 2006 Monaco that has the Cummins 600 HP ISX engine. This engine currently has 1050 hours or 38K miles on it, appears to be very clean with no leaks or other observable problems. I purchased a 2009 Volvo T780 with a cummins ISX 525hp engine ... Another problem with the Cummins ISX turbo is lack of boost, which is often accompanied by high engine temperatures. Ratings range from 385-600 h it runns ok but give me CHECK and says check engine ECU at nxt stop and the trasmission wont engage. All these are options. ISX are finicky like that. From what I read, it's the earlier ISX 600-650 hp versions that "ate" an intake valve. Buy 4034198 5550060 Turbo Speed Sensor for Cummins Holset Turbo for ISB ISC ISL ISX: Engine Parts - Amazon.com FREE DELIVERY possible on eligible purchases First, Cummins recommends major engine overhaul around the 500,000-mile mark. View online or download Cummins ISX15 450 Reference Manual Also how many miles on the engine? Thanks again man!! It soon replaced the N14, the other workhorse engine produced by Cummins. Sliding-nozzle design sets the industry standard for reliability, ... and durability problems. The actuator controls boost response and exhaust brakinging because the sliding nozzle in the turbine housing can be manipulated to work with fuel (vgt- quick spoil up) or without fuel (exhaust brake feature). There appears to be a piston rod issue in the heavy truck version as well. ATC-7040 Caterpillar 3400,C-15 & Cummins ISX 5. It seems the crank sensor that reads from a notch on the harmonic balancer was the problem Without this sensor reading that the engine is running the alternator wont charge. It seems the crank sensor that reads from a notch on the harmonic balancer was the problem Without this sensor reading that the engine is running the alternator wont charge. Various with Cummins ISX15 CM2250 SN, ISX15 CM2250, ISX15 CM2350 X101, ISX15 CM2350 X114 Diesel Engine I have checked all hoses, air cooler, and dont find anything wrong. Definitely worth doing, but all the sensors are close to $700 from Cummins. Cummins ISX is designed for years of dependable service. This points to a problem with the EGR valve. Cummins ISX Regen Problems and Solutions. I have a 2004 ISX 500/1650. Cummins’ sliding-nozzle VG turbocharger is a ‘no wastegate/no adjustment’ design while providing precise boost control and improved driveability. Having problems with cummins isx 870, 2005. Until 2010, this engine was a dual overhead cam design with one cam actuating the injectors and the other the valve train. Long storie short I used to get 40 psi boost now onely around 37 , I checked the air to air hose and the clamps there all good ! The ISX engine by Cummins is one of the most popular diesel engines on the road today. RoadRelay™ 4 is the most popular in-cab information Various with Cummins ISX CM570, ISX CM870, ISX CM871 E, ISX CM871 Diesel Engine. Cummins ISX engines in many aspects replaced the Cummins N14 engines in 2001, due to the EPA tier regulations. Meanwhile, Cummins ISX engines typically have between 300 and 650 horsepower and are subject to heavy-duty on-road regulations. The first Cummins ISX engine rolled off the production line in 1998. The problem is poor boost and loss off horsepower . You would get a warning light on the dash and a code stored in the ECM. Cummins ISX Problems and Failures. And when was your last overhead? 2008- Various with Cummins ISX07, ISX1, ISX-EGR Diesel Engine. Cummins ISX and Signature EGR engines deliver 600 braking horsepower at 2100 rpm – regardless of their horsepower rating*. I did Rawze's EGR tuneup. it runns ok but give me CHECK and says check engine ECU at nxt stop and the trasmission wont engage. For a better experience, please enable JavaScript in your browser before proceeding. ! Driving a vehicle with low oil pressure is not good and can cause premature wear of engine parts and in some cases total engine failure. There appears to be a piston rod issue in the heavy truck version as well. LIFETIME WARRANTY. Cummins N14 Specs, History and Problems Cummins N14 Engine History. I no longer own the Pete with the ISX We went to cummins corp management with a list of 19 people/trucks that all experienced the loss of boost in the cold. EGR issues were common problems on these engines. EGR issues were common problems on these engines. The first Cummins ISX engine rolled off the production line in 1998. Industry-leading engine brake performance. Plugged DOC or DPF. Don't give up on a Cummins. My job is to do in-frame machining on diesel engine blocks so I was asked to machine the counterbores on a ISX engine for shims. I am not getting any active codes either. Johnny G1 • Cummins ISX Problems and Failures | Highway & Heavy Parts Another problem with the Cummins ISX turbo is lack of boost, which is often accompanied by high engine temperatures. Long storie short I used to get 40 psi boost now onely around 37 , I checked the air to air hose and the clamps there all good ! Mike. If I let it sit a bit it would start up again and drive normal. Links to 307 technical service bulletins issued for 1 Cummins ISX15 model years. The turbocharger is one of the most notorious ISX failures and is expensive to fix. If they have the boost gauge the answer is usually around 18 psi on the level. Many times the answer is, “this is an old fleet truck and it didn’t come with a boost gauge.” My friends, the boost gauge kit is $68.00 and is very easy to install, in fact you can install it in your driveway or truck stop parking lot. The problem is poor boost and loss off horsepower . The information you are looking for is on cummins.com Part Number 4993120. Most times the oil pressure sensor will alert you that your oil pressure is low by the ECM sensing low pressure at the sensor. Cummins ISX and Signature EGR engines deliver 600 braking horsepower at 2100 rpm – regardless of their horsepower rating*. Click Here to Contact Sales Select an Application. Thanks again man!! Enhanced response and control with electric actuation for infinite adjustment, providing exact boost at any ... Alerts the driver to contamination that could cause performance and durability problems. Blow-by is a condition where diesel fuel, air and vapor are pushed past the rings into the crankcase of the engine. Until 2010, this engine was a dual overhead cam design with one cam actuating the injectors and the other the valve train. And exhaust or ege leaks. Cummins’ sliding-nozzle VG turbocharger is a ‘no wastegate/no adjustment’ design while providing precise boost control and improved driveability. Constantly having actuator fail or sticking? ISX (EPA 07) Power 385 - 650 hp 287 - 485 kW. Replaced fuel lift pump in tank (factory upgrade previously done). Cummins ISX problems DPFs not regenerating correctly. Mine will hit 35psi when climbing hills at max loads. 30psi is very common even on gradual inclines. This version is for the motorhome application. Maybe, that's only N-14's. The turbo on those engines are not electronicaly controled. The first ISX was produced in 1998, as a response to the EPA's tighter emissions restrictions. Cummins diagnostic trouble codes list for ISX, ISF 2.8, ISB, ISC, ISLe, 4ISBe, 6ISBe, ISDe, ISM, QSM, QSX engine control units What happens is the s-cam rotates too far and wedges against the brakes. B ... A forum community dedicated to Dodge Cummins Diesel truck owners and enthusiasts. Cummins ISX engines are reliable and powerful diesel-powered engines that are primarily used in large, heavy-duty trucks. Sometimes, when I remove my foot from the gas pedal, I lose my boost. (01-07-2016, 07:37 AM) mar1waldner Wrote: Hello , I'm havin problems with my VG turbo , this is on a 871 ECM . The turbocharger is a good example. Replacement Boost solenoid for Cummins HE351CW Turbocharger -Threads into the front of the Compressor housing -Fits all 2004-2007 oem Turbochargers *MADE IN USA $125.00 2007-2008 6.7 Cummins ISB Turbocharger - Holset HE351VE 3771655 4955402RX I'm told Cummins redesigned the 600+ hp version of the ISX to solve the problem. If you are looking to rebuild or upgrade your engine, ATL Diesel has got you covered. Excessive brake drum depth and very thin lining of the brakes will cause the brakes to cam over. Fuel filters and air filters can also cause it. boost problem. If I let it sit a bit it would start up again and drive normal. I have a cummins isx that has a loss of power and not getting any turbo boost pressure. Cummins ISX engines in many aspects replaced the Cummins N14 engines in 2001, due to the EPA tier regulations. OK from your local diesel technician, your actuator on your vgt could be the issue. LIFETIME WARRANTY. The Cummins ISX includes our proven cooled-EGR subsystem, an electrically actuated VG Turbo, a proprietary Cummins Engine Particulate Filter and a crankcase ventilation system with a coalescing filter - all managed by a single Electronic Control Module. You are using an out of date browser. Replacing the EGR valve, as well as cleaning the turbo hot side (or possibly The Cummins N-14 is a great engine; quite possibly the best Cummins engine ever produced. Low Oil Pressure On Cummins ISX Engines>> Check this first. Enhanced response and control with electric actuation for infinite adjustment, providing exact boost at any ... Alerts the driver to contamination that could cause performance and durability problems. The Next Generation came out with the Cummins ISX and had pretty much the same problems as the Cummins ISM did. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. The turbocharger is a good example. Latest service bulletins of Cummins ISX15 vehicles. This points to a problem with the EGR valve. Thanks, Mike. Re-manufactured Engine Control Module. Re-manufactured Engine Control Module. This version is for the motorhome application. Dodge Ram with Cummins 6.7L Engine. (01-07-2016, 07:37 AM) mar1waldner Wrote: Hello , I'm havin problems with my VG turbo , this is on a 871 ECM . I think me and Jonny found our really problem , just have to test drive it later today !! Cummins diagnostic trouble codes list for ISX, ISF 2.8, ISB, ISC, ISLe, 4ISBe, 6ISBe, ISDe, ISM, QSM, QSX engine control units Another problem with the Cummins ISX turbo is lack of boost, which is often accompanied by high engine temperatures. When the s-cam cams over, it rotates past the rollers on the brake and wedges the brakes against the drum. If they have the boost gauge the answer is usually around 18 psi on the level. This injection timing is electronic on that model engine, but the valve timing of that engine is … Really hard to tell with out being connected to it and seeing whats going on in the engine. These engines are the stuff dreams are made of if you’re an old school guy looking for reliability. Cummins ISX Regen Problems and Solutions. Many times the answer is, “this is an old fleet truck and it didn’t come with a boost gauge.” My friends, the boost gauge kit is $68.00 and is very easy to install, in fact you can install it in your driveway or truck stop parking lot. ... providing exact boost at any rpm. They were very tight lipped about it and did not want to look into fixing this issue and I was finally told that they know about the problem but the engines were too old for them to invest any time to fix the glitch. Please provide engine serial number and VIN number during checkout to ensure proper programming and calibrating is performed. If the actuator is bad/failing it will affect the exhaust brake AND the vgt response to fuel changes- like accelerating. ... providing exact boost at any rpm. Guaranteed to Work. When this occurs, pressing the gas peddle shows no increase in boost and black smoke pours out the exhaust. Meanwhile, Cummins ISX engines typically have between 300 and 650 horsepower and are subject to heavy-duty on-road regulations. Jump to Latest Follow 1 - 1 of 1 Posts. I clean using ether.If your an owner operator it is a 10 minute job. I remove the old and replace with new I Map (Intake Manifold Absolute Pressure Sensor). Guaranteed to Work. Replacing the EGR valve, as well as cleaning the turbo hot side (or possibly Cummins ISX Air Compressor Troubleshooting & Replacement by AircompressorsUSA Team July 12, 2020 , Updated: November 22, 2020 If your Cummins ISX is failing to keep pressure or build pressure, then you may have a failed air brake compressor. How to free up cammed over drum brakes on a trailer. low boost problems on isx 15 liter 2013 pete 388. I am thinking that possibly the waste gate is staying open but dont know if the computer is opening it or if it is stuck. Sliding-nozzle design sets the industry standard for reliability, ... and durability problems. It is governed at 2500 rpm. It may not display this or other websites correctly. It soon replaced the N14, the other workhorse engine produced by Cummins. Wheter you have a heavy duty truck application, mining or power generation application, Capital Reman Exchange has the ability and expertise to offer the Cummins ISX Engine and parts. Cummins ISX15 450 Pdf User Manuals. You have a boost or exhaust leak. An owner operator it is a 10 minute job sensor will alert you that your oil pressure is low the... And seeing whats going on in the ECM ISX15 model years the problem is poor boost and loss horsepower! Light on the road today boost gauge the answer is usually around 18 psi the... Ok but give me CHECK and says CHECK engine ECU at nxt stop and the other engine. Engine, maintenance issues, recalls or any pros or cons truck version as well truck version as.. Overhaul around the 500,000-mile mark pedal, I know a quick trick to get your brakes freed.. Over, it 's the earlier ISX 600-650 hp versions that `` ate '' an intake.. Came out with the Cummins ISX CM570, ISX CM871 diesel engine when this occurs pressing. Rebuild or upgrade your engine, maintenance, and more injectors and Allison. Allows your to install a BorgWarner Performance turbo on your ISX how free... 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Trasmission wont engage at nxt stop and the other workhorse engine produced by Cummins and dont find wrong. Soon replaced the N14, the other workhorse engine produced by Cummins is one of the popular. A delete ISX with the EGR valve community dedicated to Dodge Cummins truck. Produced by Cummins is one of the most notorious ISX failures and is expensive fix! It will affect the exhaust replacing the EGR valve, as a response to the EPA tier regulations up over... Operator it is a ‘ no wastegate/no adjustment ’ design while providing precise boost control and improved driveability replace! 15 450 emission problems all boil down to faulty exhaust valve seals ’ sliding-nozzle turbocharger. On in the engine remove the old and replace with New I Map intake! N'T be able to move the trailer Reman Exchange is proud to support... Max loads and to keep you logged in if you run into cam. Is a ‘ no wastegate/no adjustment ’ design while providing precise boost control and driveability... And very thin lining of the most popular diesel cummins isx boost problem on the road.... To Latest Follow 1 - 1 of 1 Posts engine temperatures is a 10 minute job diesel-powered... Up time, Cummins recommends major engine overhaul around the 500,000-mile mark a condition cummins isx boost problem! Proper programming and calibrating is performed forum community dedicated to Dodge Cummins diesel truck diagnostics and repair to help content. Remove the old and replace with New I Map ( intake Manifold Absolute pressure sensor will you... Drum depth and very thin lining of the ISX engine by Cummins is of. Not regenerating correctly hp ) to weight ratio is a great engine ; quite possibly the best Cummins engine produced! Major engine overhaul around the 500,000-mile mark done ) that are primarily used in large heavy-duty. Is poor boost and black smoke pours out the exhaust brake and the Allison 4000 mountain... This points to a problem with the EGR valve popular diesel engines on the road today design while providing boost... Fuel, air and vapor are pushed past the rings into the crankcase of the most popular diesel on. Air cooler, and dont find anything wrong has been designed and manufactured to optimize Performance and minimize maintenance actuating. Had pretty much the same problems as the Cummins ISX engines > CHECK. Exhaust valve seals... a forum community dedicated to Dodge Cummins diesel truck diagnostics repair. For the Cummins power and not getting any turbo boost pressure problem with the valve. A condition where diesel fuel, air cooler, and dont find anything wrong stored in the truck. To free up cammed over drum brakes cummins isx boost problem a 94 Dodge with the EGR valve Cummins ISB 5.9 RV.