This method should be done by professionals, as improper handling can damage the filter. On-Board DPF Cleaning Some vehicles come equipped with on-board DPF cleaning systems. These systems initiate automatic regeneration cycles to burn off soot while driving, without the need for manual intervention. They might help get rid of the DPF warning for a while, but in the long term they're not only not a solution, but cost more than buying a new filter in the first place. There's also another method of DPF "cleaning", where they open up the filter housing, and actually replace the filter elements in it, then wield back the housing. The DPF filter reduces particulates by 20% and while it is not illegal for a garage to move it it is illegal for a driver to drive with it removed. Curious! Curious! However, the MOT is being strengthened in 2018, and new all diesel vehicles will have to have a DPF fitted from 2018. Step 1: Add a double dose of the FTC Decarbonizer into the diesel fuel tank when refuelling. For badly blocked DPF filters this may need to be repeated for a second tank. Step 2: For badly blocked DPF filters continue using FTC Decarbonizer at the double dose until the problem clears. Step 3: For vehicles regularly driving in city conditions STEP 1: To assist clear the ash and soot, purchase a DPF cleaning agent. The purpose of this bottle of fluid is to break down the ash and soot that has clogged the filter. To get a cleaning additive, go to your local auto parts store or go online. These items typically range in price from $13 to $26. STEP 2: Directly into the fuel tank, pour In some cases, DPF cleaning may not be enough, and the filter may need to be replaced. This is often the case when the filter is severely clogged or damaged. DPF replacement can cost thousands, so it’s much better to start with proper maintenance and regular DPF cleaning. There are two common ways to clean a DPF: thermal and aqueous. Thermal vhrdIOD. Safety mask: Wear a mask to avoid inhaling harmful fumes or particles while cleaning the DPF filter. Plastic container: Use a plastic container to soak and submerge the DPF filter in the cleaning fluid, allowing it to loosen and dissolve the accumulated soot. DPFs are designed to trap and store particulate matter, such as soot, that is produced by the diesel engine during normal driving. The DPF allows exhaust gases with particulate material to enter the DPF where the soot is trapped inside the filter, allowing cleaner exhaust gases to exit into the atmosphere, which then reduces the exhaust Diesel particulate filters (DPF) are just one component of a comprehensive guide to diesel engine aftertreatment systems. While DPFs are essential for removing harmful emissions from diesel engines, aftertreatment systems encompass a range of technologies, including selective catalytic reduction and diesel oxidation catalysts. 1. Heat the engine. The easiest and cheapest method of DPF filter cleaning is by driving the vehicle for a long-distance at high revs per minute. Doing this increases the heat of the exhaust and burns the soot blocking the DPF filter. It's best to drive on a motorway or A road where you can keep the vehicle at a consistent speed. Book a DPF Maintenance Clean DPF Deep Clean: For filters with moderate to severe build-up. If your filter has moderate to severe build-up then the DPF Deep Clean may be the only option to avoid a complete filter replacement. As part of the Deep Clean, our highly skilled technicians will inject a special cleaning agent into the filter to remove I found the following in the 2018 GMC Terrain owner manual: ----- Cleaning the DPF (Exhaust Filter) While the DPF cleaning is automatically controlled by the engine computer, the vehicle will need to operate continuously for approximately 25 minutes and at speeds greater than 50 km/h (30 mph) to clean the DPF effectively.

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