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What can happen if I remove the DPF filter

First of all, just to remind yourself the DPF filter is also known as Diesel Particulate Filter, or FAP filter (for French vehicles). Its main function is capture the soot in the filter compartment. Sieve is usually a mixture of ceramics and precious metals. The exhaust gases are guided through it, where subtle tubules ensure the collection of soot.

The removal of the filter takes place, that the diesel particle filter is demounted. Then, it is necessary to cut it for direct access to the ceramic sieve full of carcinogens. Mechanic by using of hammer and chisel threshing out the inside, so called core. This core is extremely stiff and it takes a lot of work to clean it completely.

Then, the cleaned filter is welded and fitted back. Then comes adjustment control unit of the vehicle. Because the diesel particulate filter has many sensors connected to it, these sensors needs to be disconnected / disabled. For this disconnection, it is necessary to alert the control unit of the vehicle so it wont evaluates the incorrect values​​. Right here occurs one of the first problems, as there are mechanics who know well what to do and then, there are those who learn on your vehicle without your knowledge.

Unless you reach for such a solution with a particulate filter, be sure to choose a company that has experience with it and also their work has good reviews. In the right place, they can backup control unit so you know, if the vehicle in the event of bad function could be reinstated this way. Such interference with the control unit is quite unnatural. Only on the principle, the new vehicles have been tested thousands of miles before being placed on the market, including software and everything in them was fairly fine-tuned so that worked reliably. However, after such a crackdown in the vehicle is very often the case that the vehicle does not behave correctly and the controller throws different error messages. Then comes another problem. Indeed, it could broke down so seriously, that they had to buy a new controller, all the sensors, and also a new DPF filter. Often, however, the result was as they failed to give completely to its original state. You need to re-calculate how well the process costs, plus what you have paid for the removal of DPF filter and other problems that makes it even more expensive.

At prices of DPF filters nowadays, is it worth to considering the purchase of a new particle filter. For example widely distributed is DPF filter for Ford Focus / C-Max 1.6 TDCi. Prices begins at a reasonable 370 EUR. For this price, you can already have a new DPF filter that will last for thousands of miles more reliably.

In conclusion only so much to add, the removal of diesel particulate filter is not the best solution. These filters are mounted in the vehicle mainly to protect our health, particularly in dense urban traffic. When people remove them, just cause themselves exacerbating own environment. It should also be taken into account where the waste ends up from so. “gutted” DPF filters. Another big disadvantage basically is, the customer who removes the DPF filter will pay for that someone had adjusted the vehicle and is no more with following the terms of such law of driving vehicles. If the vehicle has been fitted with a DPF as standard, so the filter must be in the vehicle. Unless there is no DPF filter, such a vehicle has nothing to do on the road. Just go on a trip to Austria or Germany and with such vehicle you will be detained, papers will be confiscated and the BONUS is given fine. The result is a heavy fine and a confiscated vehicle. Alternatively, you shut down and call for a towing services. Consider this before you decide to remove a DPF filter.

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