Your particle filter indicator light turns on and you do not know where the problem is coming from. The particle filter exists mainly for vehicles Diesel, although they can now be found for petrol vehicles. Before attempting repairs for this Volkswagen 1303, it's important to understand where the concern came from. What is the role of a FAP? Why does the witness go off? What can be the most common problems? During this file, we will go around the question. 
What is a FAP used for on your Volkswagen 1303
As its name suggests, its role is to purify microscopic particles toxiques of your car. The particles are so tiny that they easily fit through your body. For your information, it is Peugeot who created the FAP. Your catalyst has the role of reducing the quantity of particles generated by the engine, and the FAP collects the surplus. It is therefore essential to have a FAP in good condition if you no longer want this Volkswagen 1303 to contaminate the air you breathe.
Why the FAP indicator light on your Volkswagen 1303
The FAP of your Volkswagen 1303 is clogged
Here is the most common concern. In fact, your FAP becomes blocked the more time passes. The particles pile up and then prevent the proper circulation of exhaust gases. Normally, the DPF on this Volkswagen 1303 will be able to purge itself and make this waste disappear. That said, if the latter is old you must change it.
An electronic problem
The problem with these indicator lights is that we are not necessarily certain that there is a problem. Indeed, it often happens that an indicator light flickers while this Volkswagen 1303 is working perfectly. Your FAP has electronic sensors that send the signal to the dashboard. When the probes misbehave while this FAP is working perfectly, it is likely that the indicator lights up.
What to do if the FAP indicator light on your Volkswagen 1303 lights up?
At first, it is totally forbidden to remove the fap from your vehicle! This is punishable by law. You can examine the sounders to see if they are working properly. If these work properly, the problem comes from the FAP. If it turns out to be dirty, you can clean it by driving on excessive speed for 10 to 15 minutes. Without exaggerating, this could damage the vehicle. We advise you to go up to 3000 rpm. The heat of the vehicle can actually burn this stored dirt, and release your FAP. When this technique does not work well, it will have to be replaced by a new one.
Conclusion:
Your fap in bad condition should pollute but also make you lose power. It is therefore essential to have it changed. Leave a comment in case this folder was useful. Good road !