DPF’s have been fitted to comply with European emissions regulations and it is illegal to alter or remove the system. The engine management system controls it and occurs when the soot load exceeds 45%, typically when the vehicle is driven at more than 70 km/h at a constant speed for more than 10 minutes.

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. Only a government could create this level of misery for our engines. Imagine if this were a human produce. You would be given the flu, which inhibits your ability to breathe, and a heart condition, preventing oxygen from reaching your heart and muscles. And then every time you exhale, it’s through a small straw. Try running a marathon like that… That’s what has happened to our automobiles with DPFs.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. Our 3.0 Bmw X3 Diesel E83 recently started giving problems and the cause was the dreaded Dpf. I tried three different makes of additive in the fuel tank but to no avail. I also attempted a manual regen. but again to no avail. I therefore had several choices. You may get a strange smell coming from the engine bay or underneath of the car. Common smells are a foul, eggy like smell and you also get a burning smell which can be alarming to say the least!

This is done by applying the product through the pressure sensor tube or by removing an oxygen or temperature sensor and applying the product directly to the filter. What is the recommended method for cleaning the particulate filter? Preventive maintenance: It’s no wonder we are all so confused. My 2013 Transit handbook says nothing of any real use about the DPF or regen process. I wouldn’t surprised if most other vehicle handbooks were the same, i.e. bloody useless! There is no indication on my dash that a regen is taking place & I have never noticed it running any differently that might indicate a regen. It doesn’t smoke so the soot, is going somewhere (DPF) but the exhaust fumes do smell different from my old pre-DPF van. 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?

Wynns Diesel Particulate Filter Cleaner 325ml

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 If your car is suffering with a fuelling, or EGR valve system problem, it can prevent a DPF regeneration from taking place. 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. 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.

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? 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. If you have an automatic select the auto second gear position and drive the engine around 5,000 rpm. 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 For active regeneration, the vehicle must have more than a quarter of a fuel tank; otherwise, the mechanism will not be activated. Forced regeneration

Short journeys – The engine is not so efficient during warm up, and does not get hot enough to burn off deposits The DPF catches soot (carbon) and about every 2000-5000 miles the engine management system will try to remove this by burning it. This can only happen if the car is driven (different manufacturers have slightly different strategies) on a fastish road above about 40-50mph for about 20 mins. If you don’t do this then at some point the car becomes desperate for a regen and may try and get some carbon burnt at less than ideal conditions. If this does not happen then at some point there is too much carbon and it could damage the substrate if a regen was started. 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. 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. 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;