Your DPF indicator light goes off and you don't know where the problem is coming from. FAP is mainly found on cars Diesel, even if they are now found on petrol cars. Before you get into repairs on the smart smart, it remains essential to know where the concern comes from. What is the role of a particle filter? Why does the indicator light come on? What can be the most regular dysfunctions? In this article, we will go over the subject. 
What is a DPF on your smart smart for?
As its name suggests, its role is to purify microscopic particles harmful of your engine block. These molecules are so small that they can easily penetrate through our body. Note that this is Peugeot who developed the particulate filter. Your catalyst is used to reduce the amount of particles emitted by the engine, then the particle filter collects the remains. It is therefore essential to have a particle filter in good condition in case you do not want the smart smart to contaminate the air you inhale.
Why the FAP indicator lights up on your smart smart
The FAP on your smart smart is clogged
This is the most common problem. No worries, a particle filter becomes clogged the more time passes. Particles pile up and thus interfere with the proper circulation of your exhaust gases. As a general rule, the particle filter of the smart smart is supposed to clean up on its own and therefore expel this soot. Unfortunately, if the latter is old it is essential to replace it with a new one.
An electronic problem
The problem with the indicator lights is that you are by no means certain of the problem. Undeniably, it sometimes happens that an indicator light flickers while the smart smart works perfectly. This particle filter has a few electronic probes which send the message to the indicator. When these probes have a problem while this particle filter is working properly, it is likely that the indicator light is on.
What to do if the FAP indicator on your smart smart lights up?
First, it is absolutely prohibited to remove the fap from your vehicle! It is considered an offense. You will have to check the pollsters to check if they work well. If these work perfectly, the problem comes from the FAP. If it turns out to be dirty, you can repair it by driving on over speed for around 10 minutes. Without exaggerating, it could damage the engine. We advise you to drive to 3000 rpm. The engine temperature can actually carbonize the stored soot, and thus clean the particle filter. If this procedure does not work well, it is necessary to have it changed.
Conclusion:
Your particle filter in poor condition should pollute as well as make you lose power. It is therefore essential to take care of it. Leave us a comment if this file was useful to you. See you soon !