The system is self-cleaning and usually does so without driver knowledge. On occasions (usually after frequent short drives), the DPF warning light comes on and requires driver intervention. To clean the DPF: drive at more than 60km/h (37 mph), or at a high engine speed (1500 to 2000 engine rpm) in a gear higher than 2nd for around 25 minutes. At 75% loading, the glow plug light will also come on. If you see the warning, go to have the car service or go to the dealer so they can explain the warning lights to you. It's still possible to do a service regeneration, a manually started active DPF regen. 4. Connect a handheld vacuum pump to the sensor’s intake port. Push the end of the pump’s hose onto the exposed sensor port. Make sure the hose forms a tight seal on the port, or else you won’t be able to test the sensor accurately. Position the pump so you can easily see the pressure gauge and access the hand pump. Image Credit: Unsplash. To clear a blocked DPF filter first, try the passive and active regeneration systems. Drive your Audi A5 at 50mph for at least 10 minutes, keeping the revs above 2000 rpm. This process will work for small deposits or buildups of soot. If the car has already entered limp mode or is running badly, then a trip to your local Diesel Particulate Filter (DPF) cleaners are products designed to clean and maintain the efficiency of Diesel Particulate Filters in diesel engines. These filters are an important component of the exhaust emissions control system in diesel vehicles. They help to reduce the amount of particulate matter, or soot, that is emitted from the engine. Dec 16, 2017. The Diesel Particulate Filter (DPF) is a ceramic filter that has thousands of tiny channels or honeycomb-shaped openings that trap the soot onto the channel walls and prevent the particulate matter (down to 1 micron) from exiting out the tailpipe. The honeycombed inner structure is covered with a layer of a chemical catalyst that A red warning light means you need to pull over and call for your car to be recovered to a garage, you may also get an additional engine management light. Continuing to drive with a completely blocked DPF can cause engine damage. How to clear a blocked DPF. You can avoid all sorts of headaches if you deal with a DPF warning light as soon as BubbaMcGee Discussion starter. 1 post · Joined 2020. #1 · Dec 5, 2020. I have a 2015 F-250 6.7L with 4WD w/ 137,000 miles. When driving around town, my cleaning exhaust filter will clean the exhaust filter sometimes every 15 miles. This does not seem normal to me. Wondering if I need to have my system cleaned? s5Ph.

how do you clear a dpf warning light