The indicator light of your particle filter comes on and you do not know what the malfunction is. The particulate filter is found more in cars Diesel, even if they are now found in petrol cars. Before launching into repairs in this Toyota Corolla 5, it is still wiser to understand where this concern comes from. How does a DPF work? Why does the indicator light come on? What can be the most regular worries? In the course of this file, we will take a look at the question. 
What is a FAP used for on your Toyota Corolla 5
As its name suggests, its role is to filter microscopic particles harmful of your car. The molecules are so small that they can easily enter through our body. For information, it is Peugeot who created this FAP. Your catalyst is used to lower the amount of particulates produced from the engine block, while the DPF picks up the rest. It therefore seems essential to have an operational DPF in the event that you no longer want this Toyota Corolla 5 to pollute.
Why the FAP indicator light on your Toyota Corolla 5
The FAP of your Toyota Corolla 5 is clogged
Indeed, it is the most common dysfunction. Indeed, your FAP clogs over time. The particles form clusters and then prevent the circulation of exhaust gases. As a general rule, the DPF of this Toyota Corolla 5 is supposed to be cleaned automatically and therefore to remove clumps. On the other hand, if it is particularly damaged it will have to be replaced.
An electronic problem
The problem with the indicator lights is that you are not sure what the malfunction is. In practice, it regularly happens that a warning light flickers while this Toyota Corolla 5 is working properly. Your DPF has electronic probes which transmit the warning to the indicator light. If the sensors do not fire well while this DPF is working correctly, the indicator light may come on.
What to do if the FAP indicator on your Toyota Corolla 5 lights up?
At first, it is completely forbidden to remove the fap on your vehicle! It is punishable by law. You should check the probes to see if they are working properly. If these work well, the concern must come from the DPF. If the latter is dirty, you have the option of cleaning it by driving at revs for 10 to 15 minutes. Do not accelerate too much either, it could damage the vehicle. It is advisable to drive at 3000 rpm. The temperature of the vehicle should in this way toast the stored soot, and thus purify this DPF. If such a method really does not work, it will have to be changed.
Conclusion:
The fap in poor condition will pollute but also reduce the power of the vehicle. It is therefore essential to take care of it. Leave a comment in case this post was helpful. See you soon !