Wynns WY28272 Diesel Particulate Filter Cleaner, 325 ml

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In addition, the regular use of specialist particulate filter regeneration additives will assist in self-cleaning the particulate filter during driving and promote the passive regeneration or removal of soot from the particulate filter. No, you cannot have your DPF removed. It’s a legal requirement in the UK and if removed, your car will immediately fail an MOT test. It’s mostly a cost saving exercise as filters easily become clogged up, especially with city driving where vehicles are driven at slow speeds in residential areas. I was put off buying a diesel car for most of the last 10 years as your average mechanic (inc. many main-dealer ones) didn’t have much of a clue about EGR/DPF issues. Their solutions invariably revolved around expensive component replacement or it being ‘time to trade your car in’. Many mechanics, and I, understand how these systems work now as they’ve been around for a good few years, and earlier this year I traded in my (4 month old) petrol MX5 for a diesel Dacia Duster (circumstances dictated the need for a 4 seater).

So do additives and in particular DPF cleaning additives work? Yes absolutely, but they can’t perform miracles.

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In 2016 I bought a Vauxhall Zafira diesel automatic, with a DPF filter fitted as standard. As I was driving the car from Southampton to Bristol the engine glow plug light began flashing. Different cars will illuminate different warning lights as you can see in the image below.

Active regeneration is controlled by engine management and occurs when the soot load is greater than 45%. This usually happens when the vehicle is moving at more than 70 km/h at a constant speed for more than 10 minutes.Our Googling of DPF cleaners has unearthed some companies offering a DPF cleaning services.This type of filter off service is used widely in commercial application such as HGVs and construction vehicles. My Zafira was in excellent condition and may have been previously owned by a very careful driver that rarely revved the engine. A close runner up, Cataclean 6160 DPF cleaner offers exceptional performance at a really impressive price point. Cataclean claim it’ll reduce emissions but as much as 60%, a really impressive bit of kit. As well as protecting and cleaning the DPF, it’ll also protect and maintain catalytic converter systems. The key features of Cataclean 6160 DPF cleaner are; DPF cleaning additives are a chemical solution added to the fuel tank which claims to aid the cleaning of a DPF filter. This occurs during driving when the exhaust gas temperature is high enough, around 600°C, to burn off the soot as it passes through the filter. Active regeneration

As well as the warning light, you’ll also likely notice a decrease in performance from your car. You may experience the following symptoms. 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. DPF Filters have a life of about 100,000 km when they will become saturated with ash. At this point they will need manually cleaning or replacing. Update ! (2016)We’ve been speaking to some industry experts on this matter and we’d like to offer an updated view. You may notice a rough and different idle to your car engine. It may be jerky and unsteady when stationery, due to the gasses not flowing properly through the DPF filter.

How to unblock almost any DPF Filter

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. It is recommended to clean the fuel and oil system every time the vehicle is serviced. This will help reduce particulates and improve engine combustion, restoring lost performance and reducing component problems. Have the Dpf removed and a remap but I believe that the penalty for so doing is the registered keeper being put in an iron coffin with spikes on the inside. Like any other filter, its mechanism requires draining. This is called regeneration, and there are three types: passive, active and forced. Passive regeneration Part of Liqui Moly’s Pro Line of products, the German branded Liqui Moly DPF cleaner takes our top spot. Liqui Moly claim it’ll dissolve hardened, dense and encrusted contaminants on the surface of diesel particulate filters ensuring optimum performance at all times. As well as restoring performance of the engine, crucially, it’ll also improve fuel consumption significantly. Liqui Moly have built up an excellent reputation for producing exemplary car care products and this DPF cleaner is arguably one of their most impressive products yet. The key features of Liqui Moly Pro Line DPF cleaner are;

Trouble is as a tradesperson I need a largish van & really there is no choice, big petrol vans are very few & far between, so it’s diesel or nothing & if you do a big percentage of local work, with short trips & / or idling, a DPF equipped one is a rotten idea. Reply I have been doing forced regens on my 2007 Skoda Octavia 170 Vrs quite frequently over the past 2 years since not doing anywhere near the mileage that I used to do having been made redundant and changing jobs. Walking to work and only running out at weekends now. Previously doing 100’s of miles each week. 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? Fuel System Issues: If you’re experiencing symptoms like rough idling, poor fuel efficiency, excessive smoke, or reduced power, it may indicate issues with the fuel system, such as clogged injectors or a dirty fuel filter. In such cases, a diesel engine cleaner can help clean the injectors.There are various ways of maintaining the particulate filter’s efficiency and the system’s smooth operation. Preventive maintenance is always the best. Once you have run the car very hot for a sustained period pull over and immediately switch off the car.