Meanwhile, Cummins ISX engines typically have between 300 and 650 horsepower and are subject to heavy-duty on-road regulations. The turbocharger is a good example. The Next Generation came out with the Cummins ISX and had pretty much the same problems as the Cummins ISM did. Various with Cummins ISX CM570, ISX CM870, ISX CM871 E, ISX CM871 Diesel Engine. Replaced fuel lift pump in tank (factory upgrade previously done). The information you are looking for is on cummins.com Johnny G1 • And when was your last overhead? Dec 28, 2016 #1 We are considering purchase of a 2006 Monaco that has the Cummins 600 HP ISX engine. From what I read, it's the earlier ISX 600-650 hp versions that "ate" an intake valve. Maybe, that's only N-14's. Cummins N14 Specs, History and Problems Cummins N14 Engine History. It is governed at 2500 rpm. Blow-by is a condition where diesel fuel, air and vapor are pushed past the rings into the crankcase of the engine. low boost problems on isx 15 liter 2013 pete 388. Ratings range from 385-600 h Cummins ISX Regen Problems and Solutions. 30psi is very common even on gradual inclines. I'm told Cummins redesigned the 600+ hp version of the ISX to solve the problem. 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. ... providing exact boost at any rpm. The ISX engine by Cummins is one of the most popular diesel engines on the road today. Industry-leading engine brake performance. I am not getting any active codes either. Eventually causing trouble. Various with Cummins ISX15 CM2250 SN, ISX15 CM2250, ISX15 CM2350 X101, ISX15 CM2350 X114 Diesel Engine ATC-7040 Caterpillar 3400,C-15 & Cummins ISX 5. And exhaust or ege leaks. Sliding-nozzle design sets the industry standard for reliability, ... and durability problems. The first ISX was produced in 1998, as a response to the EPA's tighter emissions restrictions. ATC-7040 Caterpillar 3400,C-15 & Cummins ISX 5. The first Cummins ISX engine rolled off the production line in 1998. The information you are looking for is on cummins.com Cummins’ sliding-nozzle VG turbocharger is a ‘no wastegate/no adjustment’ design while providing precise boost control and improved driveability. Well, question did they pressure test CAC and boots while in the shop? 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. Joined Dec 28, 2016 Messages 2. it runns ok but give me CHECK and says check engine ECU at nxt stop and the trasmission wont engage. Torque 1450 - 2050 lb-ft 1966 - 2779 N•m. 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. Part Number 4993120. Jump to Latest Follow 1 - 1 of 1 Posts. Cummins’ sliding-nozzle VG turbocharger is a ‘no wastegate/no adjustment’ design while providing precise boost control and improved driveability. OK from your local diesel technician, your actuator on your vgt could be the issue. (01-07-2016, 07:37 AM) mar1waldner Wrote: Hello , I'm havin problems with my VG turbo , this is on a 871 ECM . Click Here to Contact Sales Select an Application. Mike. ! I think me and Jonny found our really problem , just have to test drive it later today !! If I let it sit a bit it would start up again and drive normal. Cummins ISX and Signature EGR engines deliver 600 braking horsepower at 2100 rpm – regardless of their horsepower rating*. Cummins ISX engines in many aspects replaced the Cummins N14 engines in 2001, due to the EPA tier regulations. Come join the discussion about reviews, drivetrain swaps, turbos, modifications, classifieds, builds, troubleshooting, maintenance, and more! Excessive brake drum depth and very thin lining of the brakes will cause the brakes to cam over. Also how many miles on the engine? ISX are finicky like that. 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. Thanks, Mike. Until 2010, this engine was a dual overhead cam design with one cam actuating the injectors and the other the valve train. If you run into a cam over brake problem, I know a quick trick to get your brakes freed up. First, Cummins recommends major engine overhaul around the 500,000-mile mark. Cummins ISX problems DPFs not regenerating correctly. What happens is the s-cam rotates too far and wedges against the brakes. I think me and Jonny found our really problem , just have to test drive it later today !! Cummins ISX and Signature EGR engines deliver 600 braking horsepower at 2100 rpm – regardless of their horsepower rating*. Sliding-nozzle design sets the industry standard for reliability, ... and durability problems. Cummins ISX15 450 Pdf User Manuals. This engine currently has 1050 hours or 38K miles on it, appears to be very clean with no leaks or other observable problems. The turbocharger is a good example. Thanks again man!! The problem is poor boost and loss off horsepower . Please provide engine serial number and VIN number during checkout to ensure proper programming and calibrating is performed. You are using an out of date browser. This is on a delete isx with the VG turbo . Replaced fuel lift pump in tank (factory upgrade previously done). This points to a problem with the EGR valve. I have a cummins isx that has a loss of power and not getting any turbo boost pressure. It is governed at 2500 rpm. There appears to be a piston rod issue in the heavy truck version as well. The first ISX was produced in 1998, as a response to the EPA's tighter emissions restrictions. This version is for the motorhome application. Low Oil Pressure On Cummins ISX Engines>> Check this first. Factory Tested. The ISX engine by Cummins is one of the most popular diesel engines on the road today. I have checked all hoses, air cooler, and dont find anything wrong. This points to a problem with the EGR valve. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. 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. It soon replaced the N14, the other workhorse engine produced by Cummins. Blow-by is a condition where diesel fuel, air and vapor are pushed past the rings into the crankcase of the engine. Please provide engine serial number and VIN number during checkout to ensure proper programming and calibrating is performed. it runns ok but give me CHECK and says check engine ECU at nxt stop and the trasmission wont engage. All these are options. Industry-leading engine brake performance. 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. Definitely worth doing, but all the sensors are close to $700 from Cummins. From what I read, it's the earlier ISX 600-650 hp versions that "ate" an intake valve. The problem is poor boost and loss off horsepower . JavaScript is disabled. Thread starter b1gr1g; Start date Dec 28, 2016; b1gr1g New Member. Plugged DOC or DPF. RoadRelay™ 4 is the most popular in-cab information You would get a warning light on the dash and a code stored in the ECM. 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. Factory Tested. For an excellent discussion on coach performance, go to this Caterpillar Corporation document (applies equally well to any engine): This common problems are based on my own experience with this engine. RoadRelay™ 4 is the most popular in-cab information The first Cummins ISX engine rolled off the production line in 1998. Like .5 mpg or more either way? You have a boost or exhaust leak. Mine will hit 35psi when climbing hills at max loads. 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. Cummins ISX engines in many aspects replaced the Cummins N14 engines in 2001, due to the EPA tier regulations. Any leaking CAC I've been associated with.. Want to make real horsepower power gains while maximizing up time? ISX (EPA 07) Power 385 - 650 hp 287 - 485 kW. Low power, no turbo boost until in 6th gear, then the boost hesitate and sometimes reach 15 psi on the boost and continuous BLACK … 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 Maybe, that's only N-14's. 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 ! Your boost is really low. 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. ISX (EPA 07) Power 385 - 650 hp 287 - 485 kW. Most times the oil pressure sensor will alert you that your oil pressure is low by the ECM sensing low pressure at the sensor. I share knowledge of diesel truck diagnostics and repair to help DIY mechanics and professionals. Certification. Having problems with cummins isx 870, 2005. (01-07-2016, 07:37 AM) mar1waldner Wrote: Hello , I'm havin problems with my VG turbo , this is on a 871 ECM . It may not display this or other websites correctly. EGR issues were common problems on these engines. Sometimes, when I remove my foot from the gas pedal, I lose my boost. 2008- Various with Cummins ISX07, ISX1, ISX-EGR Diesel Engine. 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. Tired of the problematic HE series turbochargers on your Cummins ISX CM870, CM871, CM2250/2350, X15 Engines? 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. Guaranteed to Work. I have a 2004 ISX 500/1650. ... providing exact boost at any rpm. 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. If they have the boost gauge the answer is usually around 18 psi on the level. Cummins ISX Regen Problems and Solutions. 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. Forum community dedicated to Dodge Cummins diesel truck cummins isx boost problem and enthusiasts minute.. You ’ re an old school guy looking for reliability,... and durability problems as cleaning turbo. 'M told Cummins redesigned the 600+ hp version of the ISX engine was a dual overhead cam design with cam... Me and Jonny found our really problem, just have to test drive it later today! experience... What I read, it 's the earlier ISX 600-650 hp versions that `` ''... Check and says CHECK engine ECU at nxt stop and the trasmission engage... Programming and calibrating is performed excessive brake drum depth and very thin lining of the cummins isx boost problem engine was a overhead. A large range of Cummins SOHC engine parts and components truck diagnostics and repair to help personalise content tailor... 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