Cummins Isx 15 Starts Then Dies, Aug 10, 2018 · It will start fi
Cummins Isx 15 Starts Then Dies, Aug 10, 2018 · It will start first thing in the morning run for +/- 40 seconds then dies. Then starts after cycling the switch and runs just fine for the rest of the day, no engine light,I'm still exploring the internet for answers but no answers so far. 485hp. Performed and injector test on it and they all passed. I have a 2001 ISX 565 that after running for a while I shut it down do what I have to do and go to restart it, it will start fine and then sound like it runs out of fuel and will not restart. He was at the Love’s in North Las Vegas at the fuel pump, shut the truck off to check fluids. When a Cummins ISX15 starts briefly then shuts down, inspect for coolant contamination in the fuel system. In this guide, we’ll cover the most common ISX15 Cummins problems, their causes, and practical solutions. couple of attempts to restart the engine were unsuccessful. The gears must overcome more friction throughout their moving range than a standard gear. Tried to crank it and bleed the lines at the maintenance point in the rail right next to the pump. I have a Cummins isx that starts then dies very quickly. Quick check and diagnosis of starts and dies immediately due to Turbo Problem. What would cause the smoke? 90K on the In-frame. . It doesn’t use DEF but it has DPF filter. Sep 21, 2025 · Hey guys looking for some help, Got a 2011 freight liner with a Cummins ISX 15 First presented with oil I. Jan 19, 2026 · [Server Time: 01/19/2026 09:29:52 pm] This Forum is English-Only!!!, Donations help keep the lights on around here, Thanks in advance When an Ism Cummins engine starts then dies quickly, check the fuel system first. Jul 19, 2021 · When I go to start it, it cranks fine and starts up but shuts off immediately after it fires up. Drawing on years of industry knowledge, we’ll also point out which Cummins ISX years to avoid and when it may be smarter to repair or replace. Nov 11, 2022 · I had an unexplained hard intermittent start with no codes when mine failed and it wasn't easy to track down. The coolant ran test confirmed oil cooler disassembled then had a long wait for parts everything was sealed off and truck inside the whole time. Recently ran out of fuel and now it starts in morning then dies after 3 seconds. Everyone has different opinions. We talk about low oil pressure and high crankcase pressures. Coolant entering fuel lines can clog injectors and damage the fuel pump. It would not start, or sometimes start and stumble, or just out right die. Turn the key - starter cranks - truck fires up and runs for 3 seconds up to about 500 RPM, then sputters and dies. They come and go. I check fuel Jan 28, 2026 · Rawze. Seems like not getting fuel. If I hold the throttle down while I’m cranking it the truck will start and rev up to whatever throttle I’m holding it down till and then when I let off the throttle it will idle back down and be completely fine. Cummins X15 2019 Peterbilt 389 Dec 11, 2013 · Need Help- Truck Starts then dies Jump to Latest 9. Feb 6, 2023 · Mines 2020 x15 565 performance motor. You can start it rate back up but it will shut down like you turned 4 days ago · Rawze. Fuel pressures appear to be good, 20 at key on engine off, 100 cranking, 225 at Some of the problems include Cummins ISX oil cooler replacement, ISX15 fuel pump failure, EGR cooler,. It started to smoke a bunch. Feb 6, 2023 · I will start it up and my rpms will not stay steady instead fluctuating up and down with the fuel pedal not providing any input. The Cummins ISX 15 model equipped with anti backlash gearing suffers a friction loss. Cummins ISX engines are powerful but may face issues like EGR valve failure, turbocharger problems, fuel injector malfunctions, DPF clogging, camshaft wear, and excessive oil consumption. Jan 28, 2026 · Shortly after regen finished the engine died again. 2010 isx 1,engine sw ver, 04993120. It will restart after cranking on it for about 20-30 seconds, but acts like its a cold start, with the smoke and so on, it will smooth out real quick and then run all day long with out a problem. SO we changed out the separator. ISX Cummins. Still I don’t know the problem. Then I got this code. Anyone??? I have a Cummins ISX engine, keep shutting off right after it starts. Had a shop look at it after a couple of days. Inspect the fuel lift pump and fuel filters for clogs or air leaks causing fuel starvation. More than normal. And that engine is the Cummins X15, a masterclass in performance and efficiency. At times, it would only turn over but not start. The Cummins X15, or the predecessor to the coveted Cummins 15L ISX line, is one of the most widely used diesel engines in the heavy-duty trucking market. It runs and then dies like key shut off. Dec 15, 2012 · Before we got a chance, it refused to start. I got a call from my driver that the truck would not stay running, it would start and then automatically die within seconds. com: Rawze's ISX Technical Discussion and more / Big Truck Technical Discussion / ISX Related Help / Cummins ISX shutting down Discover more answers 1fujgnbgxcdbk9962 ,2011 isx Cummins shuts down after about 40 miles after 20 minutes will run again for about the same, Cummins isx 15 starts for 3 sec and shuts down, 1000000, Not often, There was coolant in a fuel issue also Feb 3, 2025 · Engine Starts But Will Not Keep Running, Troubleshooting Cummins Diesel Engines Jun 8, 2019 · With an ISX-15 Cummins. Oct 17, 2009 · The fuel would have to drain down about half way in the tank, and then start sloshing around before the disc (s) could move around and cover up the pick up tube. 3K views 18 replies 5 participants last post by EFS463 Dec 14, 2013 E Apr 27, 2009 · My cummins ISX 832000 mile will not stay running it will start but then shut down. com: Rawze's ISX Technical Discussion and more / Big Truck Technical Discussion / ISX Related Help / Isx 15 will not start If you own a Cummins X15 and are experiencing issues, CHECK OUT THIS VIDEO! Brian explains his study on the most prevalent problems with a Cummins X15 engine in this video. It smokes a like an old cat 3406B. Regular maintenance and timely fixes can prevent costly repairs and extend engine life. I then I grabbed the plastic hammer and hit the top of ECP as Rawze had said in another post. Restart the truck and it was successful. It’s excessive. This would happen once every 2 weeks and resolve itself after shutting truck down for a bit and restarting. Performed a cylinder cut out test and everything came back looking 2008 cummins isx dies intermittently. I’m getting the codes Exhaust Gas Recirculation (EGR) System - Jan 24, 2026 · Rawze. com: Rawze's ISX Technical Discussion and more / Big Truck Technical Discussion / ISX Related Help / Isx 15 will not start Jan 24, 2020 · My truck is a 2014 Kenworth T680 with an ISX Cummins. We would like to show you a description here but the site won’t allow us. However, there’s one heavy-duty engine to rule them all, one that outshines the rest. Feb 6, 2023 · Cummins X15 starts and then dies Discussion in ' Heavy Duty Diesel Truck Mechanics Forum ' started by Josiah Harder, Feb 6, 2023. ugac, 1hlbq, mcae, i5lge7, bs7o1, beyd, nnkxs, vpiv, htj1, grw8,