The particle filter light is on and you do not know where the problem is coming from. The particle filter is more present on cars Diesel, even if we will see it today on petrol cars. Just before starting repairs on your Toyota Mirai, it is wiser to understand where this malfunction comes from. How does a FAP work? Why does the witness go off? What can be the most regular concerns? In this article, we will cover the issue. 
What is a FAP used for on your Toyota Mirai
As its name suggests, it is used to purify microscopic molecules harmful of the car. These kinds of molecules are so small that they can easily fit into your body. For your information, it is Peugeot who created this FAP. The catalyst has the role of restricting the quantity of molecules emitted from the engine, then the FAP collects the surplus. It remains essential to have a FAP in good working condition if you no longer want your Toyota Mirai to pollute.
Why the FAP indicator light on your Toyota Mirai
The FAP of your Toyota Mirai is clogged
Here is the most common problem. No worries, the FAP becomes blocked over time. These molecules collect and thus block the flow of exhaust gases. Normally, the DPF on your Toyota Mirai should clean itself and remove this waste. However, if the latter is damaged it must be changed.
An electronic problem
The problem with these indicator lights is that you are never sure there is a problem. In fact, it often happens that an indicator light shines while your Toyota Mirai is working properly. Your FAP has several electronic probes which transmit a warning to the dashboard. When your sensors are not working well and your FAP is working properly, it remains likely that your witness will start.
What to do if the FAP indicator on your Toyota Mirai comes on?
First, it is totally forbidden to remove the fap from your vehicle! It is considered an offense. You can examine the probes to see if they work well. If these ever work perfectly, the malfunction must come from the FAP. If it was dirty, you will be able to clean it by rolling in the towers for 10 minutes. Without exaggerating, the process may damage the car. We advise you to go up to 3000 rpm. The heat of the engine block will in this way roast the stored soot, and consequently purify the FAP. If ever such a method is not at all suitable, it will have to be changed.
Conclusion:
The damaged fap will pollute but also make you lose power. It is therefore essential to replace it. Write a comment in case this text helped you. Good road !