Why is the Diesel Particulate Filter (DPF) Light On?

Istanbul Sabiha Gokcen Airport car rental wondered Why does the diesel particulate filter (DPF) light come on?. Well, why does the diesel particulate filter (DPF) light come on? Details are in our blog.

Diesel particulate filter, called DPF, is used to clean harmful particles from exhaust gases in diesel engines. It is available in some types of Euro 4 vehicles, and in all Euro 5 and Euro 6 vehicles. It has been applied to diesel vehicles since 2009 in order to reduce the amount of soot released by the vehicle's exhaust system. These institutions are harmful to human health and the environment and cause respiratory problems.

So why diesel particulate filter (DPF) light comes on? DPF light is the car's diesel particulate filter (DPF) light. it notifies you that there is a problem with the particulate filter.

The presence of these filters in your vehicle exhaust helps to significantly reduce the amount of soot formed in the exhaust, they are blocked and this causes the DPF warning light on your control panel to come on.

Why Does the Diesel Particulate Filter (DPF) Light come on? What Causes the DPF Light to Come On?

When the soot accumulation reaches a certain level, the vehicle's engine control unit switches to "Passive Regeneration" mode. More fuel is injected into the engine, which increases the temperature in the exhaust system. It burns the soot into a fine ash and removes it from the exhaust.

For those wondering why the diesel particulate filter (DPF) light comes on?; This is usually the case when cruising at high speed, as it needs a high temperature in the exhaust. If you spend most of your time making small trips outside the city, rarely take the highway and accelerate to high speeds, the vehicle will not be able to regenerate. In this case, it causes soot to accumulate in the DPF and as a result, the diesel particulate filter light turns on.

What Should You Do When the DPF Light Is On?

Why does the diesel particulate filter (DPF) light come on?, after explaining what to do; When the DPF light is on, it indicates that the “Passive Regeneration” has failed and you need to actively renew the diesel particulate filter. You must drive the vehicle. This is necessary for burning the solid particles in the exhaust and cleaning the filter.

During regeneration, you may experience an unusual noise in the engine, a slight odor from the exhaust, and an increase in fuel consumption. Once the active regeneration time is over, this should return to normal. Also, the DPF light needs to go out.

Long enough time for the regeneration process to finish, 70 km. If you can't do more than one, soot will continue to build up in the filter and the DPF warning lamp will stay on until the problem is repaired.

Can I Ignore the DPF Light and Continue Driving?

After the question strong>

Why does the diesel particulate filter (DPF) light come on? can I ignore the DPF Light and continue driving? Let's take the question. Technically yes, but this is not recommended. If you ignore the DPF light and continue to drive, the congestion will increase and the system will reach a state where it cannot clear itself. After a short while, the vehicle will enter the "limp-home" mode and the engine malfunction warning lamp will come on. This situation will require outside intervention. The DPF will need to be cleaned with special machinery and chemicals. If the blockage becomes severe or the filters are damaged, they will need to be replaced with a new one. Depending on the type of damage and the vehicle, there will be excessive repair costs. Why does the diesel particulate filter (DPF) light come on? is therefore very important. For this reason, it is recommended that you never ignore the dpf light.

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