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Wynn's 18985 5L Off-Car Diesel Particulate Filter Cleaner Removes Soot & Deposits From DPFs

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Since 2014, any diesel vehicle missing a diesel particulate filter will automatically fail its MOT. The Guardian newspaper revealed that thousands of drivers have been caught without a DPF fitted to their vehicles. Once the exhaust has reached the specific temperature, the vehicle will begin the regeneration process which consists of the soot inside the filter canister being burnt off to create more space inside the filter.

Modern diesel engines currently produce less carbon dioxide levels than petrol engines, however they produce much higer NOx levels. High levels of NOx are dangerous to the environment and can cause respiratory problems for humans such as inflammation of the airways. It’s for these reasons that systems such as DPF filters were introduced. How Does A Diesel Particulate Filter Work? Wait for five minutes before restarting your car to find that the DPF warning light, glow plug light or engine management light switched off!Motorists tend to avoid repair due to the expense of cleaning, remapping or replacing the filter, particularly if the car still runs pretty well but there is an engine warning or glow plug light flashing. Diesel particulate filters (DPF) are placed on the exhausts of diesel vehicles to prevent toxic emissions from flowing into the environment. Despite this, some motorists have the diesel filter removed to avoid mechanic failures and additional maintenance costs. You can also use the DPF cleaner in conjuction with cheaper diesel as opposed to using more premium diesel fuels at each fill up. Should I Use A DPF cleaner If My Warning Light Is Not On? If the DPF filter reaches a certain percentage full level, your car will give you a warning light which will look something similar to the image below (The image will vary between car manufacturer but will generally look very similar)

Follow the simple instructions to apply the DFP cleaner. Once you’re done move on to the second step below. In this review, we look at the best DPF (Diesel Particulate Filter) cleaners on the market for your diesel vehicle and explain why they are so important. DPF filters are fitted as standard on all modern diesel vehicles and can cause extreme problems if not maintained properly, so therefore it’s really important to understand how they work and how best to avoid problems with some simple preventative maintenance. The EGR valve (Exhaust Gas Recirculation Valve), sits in the engine bay and exhaust gasses flow through it before moving on through the DPF filter. Because diesel fuel is quite oily in it’s formulation, diesel cars often suffer from carbon build up in the engine. An EGR valve is a prime candidate for coking up with carbon and often results in reduced gas flow through the valve. Again, a common cause for EGR valve problems is frequent short journeys around town as opposed to motorway journeys. If your car is low on fuel, it may refuse to begin a DPF regeneration. It’s always good practice to ensure that the fuel tank in your car is sufficiently full. Aside from causing problems with the DPF regeneration process, running a car on low fuel can cause a whole host of other issues. What Happens During A DPF Regeneration? Another contributing factor to DPF problems is poor quality diesel fuel. The more expensive, premium fuels contain additional additives which help reduce the amount of soot build up. Why Should I Use A DPF Cleaner?

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Prior to the conception of DPF filters, those harmful exhaust gasses were being pumped straight out into the atmosphere. Update – November 2022– Interestingly, modern petrol or gasoline vehicles are now being fitted with DPF equivalent type filters. Gone are the days or buying a petrol vehicle to avoid frustrations with exhaust filter systems. Motoring product specialists such as Liqui Moly, Wynn’s and Cataclean are now producing DPF like cleaning products for petrol and gasoline cars. It’ll be interesting to observe whether PPF’s prove to be as problematic as DPF’s have been for modern Diesel engines. As well as testing multiple cleaners, we also based our recommendations upon the latest research and a number of factors. Some of the factors that we took into consideration included how easy they are to use, duration between the treatments, additional qualities and value for the money. Conclusion A DPF system works sitting in between the vehicle engine and exhaust system. It’s a small to medium sized filter which catches exhaust soot and then stores it in the filter instead of it being pumped out of the exhaust and into the atmosphere.

After using your DPF treatment head to the motorway and drive your vehicle at extremely high revs for at least 30 minutes. A passive regeneration occurs when the vehicle exhaust system has reached a particular temperature after a sustained period of driving at specific speeds. Generally, this occurs when driving on a motorway at speeds of around 50-70mph for more than 30 minutes. If you have an automatic select the auto second gear position and drive the engine around 5,000 rpm.

\n\t\t\tWynns Diesel Particulate Filter Cleaner 325ml

The car was running just fine, although it was drinking a lot of diesel. The only other symptom was a flashing glow plug light. DPF cleaners are suitable for most diesel or biodiesel engines and they may require regular usage to keep the DPF clean. However, if you find that they aren’t as effective as you would expect, go on a “spirited” drive whilst keeping the RPM’s high. You could also drive on the motorway and keep the car in a lower gear whilst travelling at 60 to 70 MPH. This type of driving along with using the cleaner should help to keep it clean as long as there isn’t a fault with the DPF. Wynn’s, the US based company, have developed an outstanding reputation over many years. They produce a whole host of engine performance additives and this DPF cleaner scores highly for value for money. Impressively, this DPF cleaner is also suitable for use in biodiesel vehicles all the way up to B30. The key features of Wynn’s DPF cleaner are; The Used Car Guy holds no liability for your outcomes when trying the procedure listed above. This article is meant only to aid car owners that wish to avoid spending large amounts of money on their used car.

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