DPF Regeneration Benefits. While diesel particulate filters are designed to trap waste particles, unburnable as naturally gets collected over time. That causes excess backpressure, leading to DPF downtime and failure as well as reduced fuel economy. The cost of replacing a single DPF can also run to almost $10,000. On-Truck DPF Regeneration. How Long Do DPFs and DOCs Last? A well-maintained, properly cleaned or new DPF and DOC should remain effective for generally five to 10 This must be a failsafe to clear the DPF if normal driving does not start passive regen. In the past week I've done several hundred miles of high-speed, high rpm journeys (including one 40-mile stretch at a constant 2750rpm in 5th) so the DPF **should** be good and clear through passive regen. 1). Take the car for a drive on the freeway at the speed limit and drop down a gear or two to bring engine revs up to 2500. Hold for 20-30 minutes. This will assist the car to do a passive regeneration. The main reason DPF’s get blocked is short trips and city driving. Drive Faster. I love having the gauge in the instrument cluster that show the level of the DPF, as well as when it is actively in regen mode. I watched the first couple regen cycles and it happened to kick off when I expected, the filter was about half capacity, and I had hit the highway and held speed for about 15 minutes when it started regen. 20 or so . To kick off a manual DPF regeneration you should. Put the vehicle in neutral; Put on the hand brake; Leave the pedals alone! Press and hold the DPF button for 2 seconds or longer; When the conditions above are met the engine revs should rise as the process begins. It can take anywhere from 5 minutes to over an hour depending on how blocked the 2019 Ram 3500 Laramie. I'm currently having to do a regen every 3 or 4 days. Light driving about 10 miles from work. Been to the shops once already. All they did was check it found no issues, changed to fuel filtersand the air filter and sent me on the way. Put a new S&B cold air intake one 2 Warm up the engine. It should be running for at least 3 or 4 minutes before starting regen. Press and hold the regeneration button for a few seconds, until the regen warning light goes off and the regen process light starts to blink. Wait for the process to finish, about 30 to 40 minutes. A passive regen is where the trucks operation in itself is enough to allow the soot to be burned out of the filter. An active regen is where extra fuel is needed to create temperatures high enough to actively burn the soot out of the filter. And then a stationary regen, also called a service regen, parked regen, etc, is not a normal form of regen. You can tell that the DPF filter is clogged by observing any frequent forced regens, as well as long ones that seem rather unusual. Typically, a forced regen lasts for less than 40 minutes. So, if your regen lasts more than that, this may mean that your DPF is clogged. Another thing to take note of is a blockage in the DOC.

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