AdBlue remove & repair costa blanca Costa Blanca | DPF & Mobile Diagnostics
adblue remove & repair costa blanca A faulty DPF filter increases the vehicle's fuel consumption and reduces power
The fuel added to the engine oil reduces the quality of the oil and increases the quantity.
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How does DPF work?
In addition to the conventional boiler neutralization of harmful exhaust gases, the DPF collects unburned soot particles from diesel up to a predetermined level.
When the predetermined level is exceeded, the particulate filter begins to burn itself empty (DPF regeneration). During this procedure, the temperature of the exhaust gases inside the soot filter is raised to 500-600 °C in order to completely burn off the collected soot particles.
WHAT IS DPF?
It is called Diesel Particulate Filter or particulate filter, popularly also known as soot filter. On French cars, you can also find the abbreviation FAP (Filtre à particules).
It is part of the car's exhaust system, which cleans the exhaust gases to the required EURO standards. While the catalytic converter chemically cleans the exhaust gases, the soot filter captures and retains the soot particles of the diesel until the engine brain commands the soot filter to burn the collected particles.
In most cases, a particulate filter can retain about 80% of the particles, but in the best cases, up to 100%.
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The effect of DPF on fuel consumption
A particulate filter as a filter acts as an obstacle to the flow of exhaust gases and creates back pressure. Although the manufacturers have made the flow resistance of the filter as low as possible with their tests, it still has a fairly high resistance, especially considering that the exhaust system also has a catalyst in addition to the soot filter.
The fact is that any factor that hinders the operation of the engine excessively increases the fuel consumption of the engine. In addition, fuel consumption also increases during the emptying of the DPF, because the high temperature required for combustion is achieved by injecting an extra amount of fuel into the cylinder during the exhaust stroke. A large part of this fuel sticks to the walls of the cylinder and is pulled into the crankcase with a piston ring, where it spoils the oil (the oil level rises).
Why does the DPF need to be replaced?
Decrease in engine power
Smoke from the exhaust
Increased fuel consumption
Indicator light in the shape of a DPF filter
Frequent DPF filter burn-through process
Frequent DPF regeneration