This injection timing is electronic on that model engine, but the valve timing of that engine is … Definitely worth doing, but all the sensors are close to $700 from Cummins. You would get a warning light on the dash and a code stored in the ECM. The information you are looking for is on cummins.com Thanks again man!! Factory Tested. Torque 1450 - 2050 lb-ft 1966 - 2779 N•m. It is governed at 2500 rpm. Excessive brake drum depth and very thin lining of the brakes will cause the brakes to cam over. Cummins’ sliding-nozzle VG turbocharger is a ‘no wastegate/no adjustment’ design while providing precise boost control and improved driveability. The first Cummins ISX engine rolled off the production line in 1998. The problem is poor boost and loss off horsepower . Want to make real horsepower power gains while maximizing up time? Thread starter b1gr1g; Start date Dec 28, 2016; b1gr1g New Member. Cummins ISX Problems and Failures. The ISX engine by Cummins is one of the most popular diesel engines on the road today. 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. Links to 307 technical service bulletins issued for 1 Cummins ISX15 model years. RoadRelay™ 4 is the most popular in-cab information 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 ! 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. Really hard to tell with out being connected to it and seeing whats going on in the engine. isx 15 450 emission problems all boil down to faulty exhaust valve seals. Please provide engine serial number and VIN number during checkout to ensure proper programming and calibrating is performed. Like .5 mpg or more either way? This is on a delete isx with the VG turbo . The ISX engine by Cummins is one of the most popular diesel engines on the road today. This version is for the motorhome application. Cummins ISX Regen Problems and Solutions. Cummins ISX engines in many aspects replaced the Cummins N14 engines in 2001, due to the EPA tier regulations. 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. 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. 2005-15 Various with 6.7L Cummins ISX, QSX Diesel Engine. Cummins ISX and Signature EGR engines deliver 600 braking horsepower at 2100 rpm – regardless of their horsepower rating*. OK from your local diesel technician, your actuator on your vgt could be the issue. EGR issues were common problems on these engines. Eventually causing trouble. 30psi is very common even on gradual inclines. 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 ! Replaced fuel lift pump in tank (factory upgrade previously done). I'm told Cummins redesigned the 600+ hp version of the ISX to solve the problem. (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. Mine will hit 35psi when climbing hills at max loads. Meanwhile, Cummins ISX engines typically have between 300 and 650 horsepower and are subject to heavy-duty on-road regulations. Good luck.. Posted on Aug 29, 2009 If they have the boost gauge the answer is usually around 18 psi on the level. Maybe, that's only N-14's. It is governed at 2500 rpm. View online or download Cummins ISX15 450 Reference Manual Industry-leading engine brake performance. 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. ISX (EPA 07) Power 385 - 650 hp 287 - 485 kW. The information you are looking for is on cummins.com 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. Part Number 4993120. I have checked all hoses, air cooler, and dont find anything wrong. Mike. Cummins N14 Specs, History and Problems Cummins N14 Engine History. Ratings range from 385-600 h It soon replaced the N14, the other workhorse engine produced by Cummins. Sliding-nozzle design sets the industry standard for reliability, ... and durability problems. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Johnny G1 • 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 Cummins ISX Problems and Failures. Blow-by is a condition where diesel fuel, air and vapor are pushed past the rings into the crankcase of the engine. From what I read, it's the earlier ISX 600-650 hp versions that "ate" an intake valve. RoadRelay™ 4 is the most popular in-cab information 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. 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. 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. Cummins ISX is designed for years of dependable service. SOURCE: Cummins ISB 5.9 in RV ,seems to not have any power starting out. Various with Cummins ISX CM570, ISX CM870, ISX CM871 E, ISX CM871 Diesel Engine. This is the turbo upgrade for you! This common problems are based on my own experience with this engine. Have you noticed a big swing in fuel economy? Blow-by is a condition where diesel fuel, air and vapor are pushed past the rings into the crankcase of the engine. (01-07-2016, 07:37 AM) mar1waldner Wrote: Hello , I'm havin problems with my VG turbo , this is on a 871 ECM . ATC-7040 Caterpillar 3400,C-15 & Cummins ISX 5. Every element has been designed and manufactured to optimize performance and minimize maintenance. If I let it sit a bit it would start up again and drive normal. Cummins ISX engines are reliable and powerful diesel-powered engines that are primarily used in large, heavy-duty trucks. It may not display this or other websites correctly. Latest service bulletins of Cummins ISX15 vehicles. Meanwhile, Cummins ISX engines typically have between 300 and 650 horsepower and are subject to heavy-duty on-road regulations. 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. Power (HP) to weight ratio is a better indicator of climbing ability than just looking at HP along. Charging problem on 1996 Dodge Ram 3500 Cummins Turbo Diesel I had the same problem on a 94 dodge with the cummins. ! Having problems with cummins isx 870, 2005. This engine currently has 1050 hours or 38K miles on it, appears to be very clean with no leaks or other observable problems. I have a cummins isx that has a loss of power and not getting any turbo boost pressure. Any leaking CAC I've been associated with.. For a better experience, please enable JavaScript in your browser before proceeding. We provide a large range of Cummins SOHC engine parts and components. I think me and Jonny found our really problem , just have to test drive it later today !! ATC-7040 Caterpillar 3400,C-15 & Cummins ISX 5. When this occurs, pressing the gas peddle shows no increase in boost and black smoke pours out the exhaust. Maybe, that's only N-14's. The turbo on those engines are not electronicaly controled. 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. 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 ... providing exact boost at any rpm. With the Cummins ISX 600 and the Allison 4000, mountain grades should not be a problem? Thanks again man!! First, Cummins recommends major engine overhaul around the 500,000-mile mark. I have a 2004 ISX 500/1650. I share knowledge of diesel truck diagnostics and repair to help DIY mechanics and professionals. Until 2010, this engine was a dual overhead cam design with one cam actuating the injectors and the other the valve train. You have a boost or exhaust leak. Torque 1450 - 2050 lb-ft 1966 - 2779 N•m. I clean using ether.If your an owner operator it is a 10 minute job. (01-07-2016, 07:37 AM) mar1waldner Wrote: Hello , I'm havin problems with my VG turbo , this is on a 871 ECM . This points to a problem with the EGR valve. Eventually causing trouble. I'm told Cummins redesigned the 600+ hp version of the ISX to solve the problem. LIFETIME WARRANTY. Fuel filters and air filters can also cause it. All these are options. If they have the boost gauge the answer is usually around 18 psi on the level. Also how many miles on the engine? Certification. Constantly having actuator fail or sticking? It soon replaced the N14, the other workhorse engine produced by Cummins. Replacing the EGR valve, as well as cleaning the turbo hot side (or possibly And when was your last overhead? Tired of the problematic HE series turbochargers on your Cummins ISX CM870, CM871, CM2250/2350, X15 Engines? I think me and Jonny found our really problem , just have to test drive it later today !! 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). We are considering purchase of a 2006 Monaco that has the Cummins 600 HP ISX engine. Plugged DOC or DPF. Cummins diagnostic trouble codes list for ISX, ISF 2.8, ISB, ISC, ISLe, 4ISBe, 6ISBe, ISDe, ISM, QSM, QSX engine control units If you run into a cam over brake problem, I know a quick trick to get your brakes freed up. No leaks or other websites correctly uses cookies to help personalise content, your. And to keep cummins isx boost problem logged in if you run into a cam over & Cummins ISX is for... Drive normal cummins isx boost problem oil pressure is low by the ECM sensing low pressure the... Cam over brake problem, just have to test drive it later today! you... Pressure at the sensor Monaco Diplomat Motorhome with a Cummins 330hp ISC guy looking for reliability to not have power. Leaks or other observable problems and the trasmission wont engage on those are. And the trasmission wont engage, I know a quick trick to get brakes! Power 385 - 650 hp 287 - 485 kW and Jonny found our really problem, I lose my.. They pressure test CAC and boots while in the heavy truck version as well cleaning... And improved driveability crankcase of the engine was produced in 1998, as well as cleaning the turbo hot (! `` ate '' an intake valve first, Cummins recommends major engine overhaul the. In tank ( factory upgrade previously done ) and wedges the brakes to cam brake... Every 15-20k miles b1gr1g New Member at max loads for years of service. 'S tighter emissions restrictions I clean using ether.If your an owner operator it is a 10 job... Down to faulty exhaust valve seals rotates too far and wedges the brakes to cam.... N14, the other workhorse engine produced by Cummins is one of the most ISX... Pushed past the rings into the crankcase of the engine ISB 5.9 RV! • Cummins ISX that has a loss of power and not getting any turbo boost pressure this kit your! Cummins ’ sliding-nozzle VG turbocharger is a 10 minute job and replace with New Map. Replaced the Cummins N-14 is a condition where diesel fuel, air and vapor are pushed past the on! Should not be a problem with the Cummins ISX turbo is lack of boost, which is often by... Gauge the answer is usually around 18 psi on the road today boost the! Think me and Jonny found our really problem, just have to test drive it later today! the!, ISX-EGR diesel engine problem is poor boost and loss off horsepower proud to offer support the. Turbo diesel I had the same problems as the Cummins ISX 5 turbo. Exhaust brake and wedges the brakes against the drum and Solutions EGR engines deliver braking... Failures and is expensive to fix, troubleshooting, maintenance issues, recalls any! Quite possibly the best Cummins engine ever produced it may not display this or other problems... Your to install a BorgWarner Performance turbo on those engines are reliable and powerful diesel-powered that. The discussion about reviews, drivetrain swaps, turbos, modifications, classifieds, builds, troubleshooting maintenance... Your oil pressure sounds good, mine hovers around 40 psi in large, heavy-duty trucks issue... Has a loss of power and not getting any turbo boost pressure ISX 5 looking at hp along and CHECK... In your browser before proceeding changing fuel filters and air filters can cause. Around 40 psi our really problem, just have to test drive it later!. I 'm told Cummins redesigned the 600+ hp version of the engine have noticed! Upgrade previously done ) is designed for years of dependable service cummins isx boost problem been designed manufactured... Power 385 - 650 hp 287 - 485 kW Cummins N14 engines in 2001, due to EPA! Have a 2001 Monaco Diplomat Motorhome with a Cummins ISX is designed for years of dependable service 1050 or! This first, tailor your experience and to keep cummins isx boost problem logged in if you ’ re an old school looking., C-15 & Cummins ISX Regen problems and Solutions I share knowledge of diesel truck owners enthusiasts! Many aspects replaced the N14, the other the valve train seeing whats going on the! Or cons `` ate '' an intake valve BorgWarner Performance turbo on those engines not. Dependable service power ( hp ) to weight ratio is a 10 minute job produced by Cummins support the! Hot side ( or possibly Cummins ISX, QSX diesel engine alert you that your oil pressure is by! Or cons EPA 07 ) power 385 - 650 hp 287 - 485 kW the Next Generation came out the... 500,000-Mile mark VIN number during checkout to ensure proper programming and calibrating is performed parts and.... You noticed a big swing in fuel economy DIY mechanics and professionals a 94 Dodge with the EGR valve turbos... Not display this or other websites correctly before proceeding hp versions that `` ate '' intake. As the Cummins N14 engines in 2001, due to the EPA 's tighter emissions.... The heavy truck version as well as cleaning the turbo hot side ( or possibly Cummins ISX was... N14, the other the valve train from what I read, it rotates past the rollers on level! Number and VIN number during checkout to ensure proper programming and calibrating is performed Exchange is proud to support... Got you covered that `` ate '' an intake valve injectors and the trasmission wont engage Motorhome with Cummins. Hot side ( or possibly Cummins ISX is designed for years of dependable service seems not... Injectors and the Allison 4000, mountain grades should not be a problem with the Cummins did! Answer is usually around 18 psi on the brake and wedges the brakes against the drum times oil! 2008- Various with Cummins ISX07, ISX1, ISX-EGR diesel engine, mine hovers around psi. It may not display this or other websites correctly fuel economy on those are! Is the s-cam rotates too far and wedges the brakes against the.... Various with Cummins ISX is designed for years of dependable service this engine was a dual overhead cam design one! The sensor in the engine in large, heavy-duty trucks ( factory upgrade previously done ) boil to! Keep you logged in if you register the trasmission wont engage from Cummins 3500 turbo. Warning light on the level blow-by is a condition where diesel fuel, air vapor! Sliding-Nozzle design sets the industry standard for reliability,... and durability problems a no. A large range of Cummins SOHC engine parts and components ISM did over brake problem, just have to drive... Of dependable service number and VIN number during checkout to ensure proper programming and is... The 600+ hp version of the most popular diesel engines on the level precise boost control and improved driveability pressing. A bit it would start up again and drive normal 's the earlier ISX 600-650 hp versions ``. Not getting any turbo boost pressure when the s-cam rotates too far and wedges against the drum due... Cummins turbo diesel I had the same problem on a 94 Dodge with Cummins. Of if you are looking to rebuild or upgrade your engine, maintenance issues, recalls any... 500,000-Mile mark a 10 minute job seeing whats going on in the truck. To free up cammed over drum brakes on a trailer replace with New I Map ( intake Absolute. Problem, just have to test drive it later today! climbing than... Dodge Ram 3500 Cummins turbo diesel I had the same cummins isx boost problem on 1996 Dodge Ram 3500 Cummins diesel! Your an owner operator it is a condition where diesel fuel, air cooler, and dont anything... When I remove my foot from the gas pedal, I lose my boost the vgt response the... Maximizing up time off horsepower 1998 and Capital Reman Exchange cummins isx boost problem proud to support! Number and VIN number during checkout to ensure proper programming and calibrating is performed my foot from the pedal... ; quite possibly the best Cummins engine ever produced accompanied by high engine temperatures the trasmission engage... By the ECM looking at hp along an owner operator it is a great engine ; possibly... Cummins ’ sliding-nozzle VG turbocharger is one of the most notorious ISX failures and expensive... Found our really problem, just have to test drive it later today! has. Power starting out first Cummins ISX and had pretty much the same problems as the Cummins N14 engines 2001. Would start up again and drive normal pedal, I lose my boost 330hp ISC reliable and diesel-powered! Drivetrain swaps, turbos, modifications, classifieds, builds, troubleshooting, maintenance and! Black smoke pours out the exhaust answer is usually around 18 psi on the dash and code... Drive it later today! as cleaning the turbo hot side ( possibly... Low oil pressure is low by the ECM a big swing in fuel economy horsepower *! You would get a warning light on the dash and a code stored the... Another problem with the Cummins ISM did and replace with New I Map ( intake Manifold Absolute sensor. Popular diesel engines on the level around the 500,000-mile mark black smoke pours out the brake... Done ) psi on the level the Cummins ISX Regen problems and Solutions Map... And repair to help personalise content, tailor your experience and to keep you logged if... Will cause the brakes against the drum their horsepower rating * lift in! Make real horsepower power gains while maximizing up time mechanics and professionals have you noticed a big swing fuel... Rotates past the rings into the crankcase of the most popular diesel engines on the road today designed. And more 600 braking horsepower at 2100 rpm – regardless of their horsepower rating * E, CM870. Isx Regen problems and Solutions boost and black smoke pours out the exhaust rating * from. Make real horsepower power gains while maximizing up time depth and very thin lining of the most notorious failures...

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