The ISX CM871 was a big deal, as this is the first year Cummins started to place diesel particulate filters (DPFs) in commercial trucks. When the diesel particulate filter is not regenerating properly due to the faulty DPF sensor failing you may experience some of or all of the below symptoms: A DPF pressure sensor is necessary to keep the DPF free from diesel particulate matter and soot, and if the DPF is plugged, the regeneration process will not fix it. Email us for more detailstruckingandfixingwithryan@gmail.com------Disclaimer------The information and instructions provided by Trucking \u0026 Fixing with Ryan YouTube channel is for general informational purposes only. ARghh.. Not again.. During engine testing, the Cummins engineers have determined the allowed pressure difference levels on the DPF. During passive regeneration, soot is burned-off from the inlet of the filter and extend its service life. They worked, but I had the CEL. I would think if it was not burnt and had good contacts it should be just fine but instead so many guys just change it out ! Since soot is abrasive, when it is mixed with oil, will cause premature wear to the engine components like the bearings. LML DPF Delete: Unplug or leave pressure sensor plugged in?? The sensor monitors and measures the pressure with the EGR valve. Analytical cookies are used to understand how visitors interact with the website. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. Show details This item: Genuine Cummins 4358939 EGR Differential Pressure Sensor ISX12 and ISX15 $295.48 Lisle 19852 Truck and Trailer Wheel Pan $14.67 Guys, my MD802 is telling me that the DPF is too clogged to regen so I'm assuming that it can only be cleaned by taking it out and manualy cleaning it , chemical or roding it out ?? Monitor DOC inlet pressure sensor voltage pin 87. Important to note: The vehicle or machine manufacturer is responsible to construct the wiring harness and allow the sensor to eventually connect to the ECM. Hi I got the autel 802 code reader and it gives exhaust back pressure and DPF differential pressure. This means that the DPF Outlet sensor is reading high due to a restriction in the exhaust or faulty sensor Was it the outlet sensor you changed? Have all the electronic s if still.
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