2020 GMC Sierra SLT 3500 CC/SB L5P 3/14/20 Payload 3726lbs. AirLift LoadLifter 7500 XL 2019 Arctic Fox 27-5L Andersen Ultimate II
DPF regens are active, passive or forced regeneration’s. In all three methods the soot burns off at a high temperature (600°c). All that is left is an ash residue. This effectively renews or “regenerates” the DPF filter so it gets back to work filtering pollution and emissions from the diesel engine. How often does a DPF Regen? Each
July 16 auto regen, July 21 (TODAY mileage 12, 693) auto regen. My DPF goes from reading 0% to 45% approximately in less than 50 miles before every regen. Dealer says there are no TSB's, recalls, notices, holy F's, or anything. Five regens, including the manual at the dealer in less than 500 miles.

Got a truck doing a regen and dpf differential pressure is between .30 and .48. Is that normal or do I need to start looking into getting a new dpf fitler. cummins1 , Jun 24, 2019

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Whichever of these events occur first will start a regen. The regen seems to last until the soot load goes below ~10 grams or so and the driving conditions no long promote regen. 2. How long does it take to regen? Our test trucks average about 1 mile per gram of soot. So if the DPF is at 44 grams, and regens down to 5, it generally takes about

The increased heat is usually enough to burn away the soot and fuel. If both passive and active regens fail, and the DPF filter is in danger of clogging, the system will initiate a forced DPF regen. The driver will need to pull over while it happens. This can result in inconvenient downtime, which is frustrating and can interfere with your

How Often Does DPF Regeneration Occur? The frequency of the DPF regeneration process depends on how often you drive and the type of engine you have. It is recommended that a regeneration cycle be completed every 500 to 800 miles, or after 10 hours of driving.
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1592 posts · Joined 2010. #2 · Nov 9, 2012. Active Regen is anytime the truck is dumping extra fuel to raise EGTs to clean the filter. Passive Regen is anytime the truck is under enough load for the EGTs to be high enough under normal operation to clean the filter. That's all I got.
In T4F engines, the diesel particulate filter (DPF) traps soot from engine exhaust gases. This filter must be periodically cleaned through regeneration to maintain emissions reduction performance and fuel efficiency. How often DPF regeneration must happen depends on several factors. Dqdp.
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  • how often does dpf regen