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A small amount of ash remains in the diesel particulate filter, which accumulates in the diesel particulate filter over time and blocks up the DPF. The soot collected in the DPF must be burned regularly. However, visible soot in vehicles is less of a health hazard because these particles cannot penetrate deep enough into the lungs. The actually harmful fine particles were not filtered out with these filters. Unfortunately, the problem with many diesel particulate filters is that the first generation filters did not pay attention to the particle size, but to the amount of filtered exhaust gas. This is why a technology that can filter these particles from the exhaust gas was required, especially for inner cities. If you’re interested in a TerraClean but want to find out more, you can speak to your nearest TerraClean dealer today by putting your postcode into our dealer finder at the top of this page.The exhaust gases of newer vehicles are causing ever finer soot particles. If a DPF is already blocked, then a specific DPF clean, which uses a special TerraClean tool, will be required. There are two kinds of TerraClean service that can help a DPF: the standard clean, and the specialised DPF clean.Ī standard TerraClean will help to keep a functioning DPF clean. To clean a DPF, you can speak to one of the 500-plus approved TerraClean dealers, most of whom are able to offer DPF cleaning services. If removed and remapped out of the vehicle’s system, the car is rendered “not road legal” and is not suitable to pass the annual DVSA MOT which commences once a vehicle is three years old. If a DPF was fitted to your vehicle when new it must continue to have a correctly functioning unit in place. Read our blog on why you should never remove your DPF here. If you’re caught driving a car that’s had its DPF removed, you could face a significant fine. It’s not easier to remove a DPF, it’s not cheaper than having it cleaned, and it’s not legal. Sometimes a “forced” regeneration may be carried out by a mechanic. “Passive Regeneration” or if appropriate Active DPF regeneration will take place as part of a healthy diesel engine running cycle, but active regeneration can fail once a blockage reaches a certain level.
CAN I TAKE THE DPF OFF MY ECODIESEL PROFESSIONAL
A diagnostic check, by a competent, trained professional such as a TerraClean service technician, should be carried out and acted upon to ensure the fault is rectified. This is not because the DPF cleaning process has failed, but because the cause has not been addressed. Cleaning a DPF should not be done in isolation: whatever is causing the blockage should always be addressed at the same time, or it will become blocked again very quickly. It is the result of a problem elsewhere with the engine. It is important to note that a blocked DPF is usually a symptom, not the fault. In most cases the blockage is a symptom of another problem such as faulty DPF sensor, incorrect engine oil or a failing turbo. Typical causes of a blocked DPF can include too many short journeys where the regeneration processes have not initiated. A new DPF from the manufacturer is expensive – costs circa £1,000 for a family car and much more for premium models. Ignoring a DPF warning light can result in loss of power, reduced fuel economy, poor throttle response and difficulty starting & from 25 th May 2018 is an MOT failure.Ĭleaning a DPF is a cost-effective alternative to buying a replacement. This will restrict the car to being driven slowly, the intention being it will be taken either home or to a garage where the fault needs to be addressed urgently. In extreme cases – especially if the fault is ignored – the blocked DPF will cause the car to go into ‘limp’ mode.
CAN I TAKE THE DPF OFF MY ECODIESEL CODE
Under certain conditions, a DPF can become blocked, causing an engine fault code to display.
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If you’re unsure what a DPF is, head here first for more information. Many of our dealers actually provide this service to neighbouring garages who need to have their customers’ vehicles’ DPFs cleaned. DPF cleaning is one of the most commonly-requested services now amongst our 500+ TerraClean dealers. Can you clean a DPF? (Diesel Particulate Filter) – Yes, you can.