. Check the turbocharger for boost leaks or damaged hoses that reduce engine performance. 8 or 8. 9 engine with the common rail fuel system and without the DEF system. The Cummins ISX also utilized DEF, or diesel exhaust fluid, in later models when EPA requirements changed. 75" Leveling Kit with Thuren/Fox 2. Dec 24, 2022 · The 6. What are the best and worst years to buy? Also, any Apr 8, 2025 · The Cummins turbodiesel has been heavily revised for 2025 with a new turbocharger and intake manifold, glow plugs replacing the old grid heater, a top-loading cartridge-style oil filter, and two top-mounted fuel filters. DEF is system of injected urea that reduces the emissions of a diesel engine. It’s my first diesel. The pressure sensor monitors exhaust backpressure in order to ensure that your engine remains running at optimal performance levels. Replacing DEF filters and airlines helps but check wiring harnesses for shorts causing high current faults. Start by inspecting the fuel injectors for clogging or leaks, which cause rough idling and power loss. 7 Cummins DPF pressure sensor is located on the Diesel Particulate Filter (DPF) housing, which is usually found on the top of the diesel engine. Jan 14, 2026 · Dodge Ram Cummins Diesel Forum General Discussions Any in general about the Cummins Diesel. Aftertreatment engines require oils with lower sulfated ash content. 17K subscribers Subscribe Dec 12, 2023 · The 6. However, there were 330 hp 860ft lbs Cats and 300 hp, 850 ft lbs Cummins on that same period. How To Replace DPF Pressure Sensor 2019 Kenworth T680 | Peterbilt | Paccar | Cummins ISX15 Trizzle Go-Getta 4. Use a diagnostic scanner to monitor sensor outputs and ensure all Nov 9, 2025 · This comprehensive guide serves as a definitive resource for locating, understanding, and diagnosing issues with the exhaust pressure sensor. The truck rides more like a 1/2 ton now. 7 Cummins engine features various sensors that play a crucial role in its performance and efficiency. 0 Shocks at all corners, Thuren Front Springs, Thuren Track Bar and King Racing Shocks Steering Damper. Oct 11, 2020 · A number of oil for cummins 6. Is a pump replacement my next step and, if that is the problem, will it automatically clear the service message or do I have to get that done at a dealer? Nov 9, 2019 · SPN004334/07, SPN4358/03, and SPN4375/06 codes indicate issues with the pneumatic switching valve, pressure limiting unit, and DEF system. Feb 28, 2024 · So I ordered and installed in my driveway, the Thuren 2. Huge huge difference in Sep 5, 2022 · I’m looking to buy an ISL 8. The Cummins would probably be 325 hp and 950 ft lbs. txt) or view presentation slides online. May 21, 2025 · How to Replace a Cummins Diesel Exhaust Fluid Pressure Sensor: A Comprehensive Guide In the world of heavy-duty trucks, Cummins engines are renowned for their durability and performance. 7 Cummins Mar 4, 2022 · I have a 2022 2500 4X4 diesel and my gauge is currently showing I have 14% life left on the fuel filters (I'm told there are two). 2021 M2 Cummins DEF and Connectivity Module Faults Explained M2 often faces DEF system errors and connectivity module communication failures causing engine derate. However, like any mechanical system, they require regular maintenance. Factory preinstalled block heater in engine, adding aftermarket power cord. FM 2 Data Erratic, Intermittent Or incorrect”, It’s time to replace that sensor. If it shows code SPN 3610 “Aftertreatment 1 DPF Outlet Pressure. The exact location depends on your vehicle’s make and model. 7l Cummins. pdf), Text File (. Some key sensor locations include the Exhaust Oct 3, 2021 · So, what do I do next? To me, P20E8 implies low DEF fluid pressure and a bad DEF pump. ( No mention of synthetic blend or full synthetic) And 5w-40 rotella full synthetic for below 0* Oct 25, 2019 · Tech357 Junior Member Joined Oct 25, 2019 Posts 7 Reaction score 0 Location Indiana Ram Year 2018 Engine 6. Inspect heater circuits in the DEF dosing module for continuity and proper voltage. For those of you who own a diesel, how low do you permit the filters to go before you change them out? Thanks for any light you can shed on this topic. Ram also ditched the old 6-speed automatic transmission paired with the turbodiesel and replaced it with an 8-speed automatic. Symptoms of a faulty sensor include DEF system warnings and limp mode activation. It has 4000 miles on it, question is what are your thoughts on what oil to use, Manual says 10w-30 rotella above 0* ambient temp. Jan 19, 2021 · When the computer notices that the pump is at optimal pressure (from the pressure sensor signal in the doser, which is 127 to 130 psi), and it gets the correct speed signal feedback for that pressure, the computer then decreases the on-time of the command signal because the pressure has been achieved in the system. BMI Block Heater Cord for Do Dec 1, 2020 · Just bought a 2024 2500 with the 6.

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