Your FAP warning light goes off and you don't know what the malfunction is. FAP exists more for cars Diesel, even if we find them more and more for gasoline automobiles. Before starting repairs for this Seat 128, it remains essential to know where this concern comes from. How does a particle filter work? Why does the indicator light come on? What can be the most frequent concerns? In this article, we will cover the issue. 
What is a FAP used for on your Seat 128
As its designation suggests, its role is to filter out microscopic particles toxiques of the car. These kinds of particles are so tiny that they easily enter our body. For your information, it is Peugeot who invented this particle filter. Your catalyst's role is to reduce the amount of particles emitted by the engine, then the FAP collects the surplus. It therefore remains essential to have a FAP in good working condition if you do not want this Seat 128 to pollute.
Why the FAP indicator light on your Seat 128
The FAP of your Seat 128 is clogged
This remains the most recurrent dysfunction. No wonder, your FAP becomes clogged as time goes by. These particles collect and thus hinder the evacuation of your exhaust gases. Normally, the FAP in this Seat 128 will be able to clean up on its own and therefore drive out this soot. That said, if the latter is old you will have to replace it.
An electronic problem
The problem with these LEDs is that you are in no way sure of the malfunction. In fact, it sometimes appears that an indicator light comes on while this Seat 128 is working perfectly. This FAP has electronic sensors that transmit the signal to the dashboard. If the sounders ever go wrong while your FAP is working properly, it remains plausible that the indicator light comes on.
What to do if the FAP indicator on your Seat 128 lights up?
To start, it is absolutely forbidden to remove the fap on your Seat 128! Indeed, it is considered a crime. You can examine the sensors to see if they work perfectly. If these work well, the problem comes from the Particulate filter. If it was dirty, it is possible to unclog it by rolling in the towers for about ten minutes. Do not accelerate too much, it could damage the vehicle. We advise you to drive to 3000 rpm. The heat of the engine will thus carbonize these encrusted dirt, and thus purify the FAP. If this procedure does not work well, it will have to be replaced by a new one.
Conclusion:
The damaged fap will then pollute but also reduce the power of the vehicle. It is therefore important to take care of it. Leave us a comment if this file was useful. Good road !