Your FAP warning light turns on and you don't know what the problem is. FAP is present mainly for cars Diesel, although they will be found more and more for gasoline automobiles. Just before trying to repairs for your Toyota Rav 4 (4th Generation), it remains wiser to know where this problem came from. What is the role of a FAP? For what reasons does the witness start? What are the most common problems? In this article, we will go over the question. 
What is a DPF on your Toyota Rav 4 (4rd Generation) for?
As its designation suggests, its role is to filter out microscopic particles toxiques of the car. The molecules are so tiny that they can easily fit into your body. Note that this is Peugeot who made this FAP. Your catalyst has the role of restricting the quantity of particles emitted from the engine block, while the FAP collects the rest. It therefore remains essential to have an operational FAP in case you do not want your Toyota Rav 4 (4th Generation) to pollute.
Why the FAP indicator light on your Toyota Rav 4 (4rd Generation)
The FAP of your Toyota Rav 4 (4rd Generation) is clogged
This is the most common concern. No wonder, the FAP becomes clogged as time goes by. The particles form clusters and thus block the evacuation of your exhaust gases. Normally, the DPF in your Toyota Rav 4 (4th Generation) can be cleaned on its own and therefore destroy this soot. That said, if it is particularly damaged it must be replaced.
An electronic problem
The problem for LEDs is that you are in no way sure that there is a concern. Undeniably, it sometimes happens that an indicator light shines while your Toyota Rav 4 (4th Generation) is running without worries. The FAP has electronic sounders which transmit the signal to the indicator. If your probes have a problem while your FAP is working properly, your indicator may come on.
What to do if the FAP indicator on your Toyota Rav 4 (4rd Generation) comes on?
To start, it is perfectly forbidden to remove the particle filter from your Toyota Rav 4 (4th Generation)! This is punishable by law. You can check the probes to see if they are working properly. If these ever work perfectly, the problem must come from the FAP. If the latter turns out to be dirty, you can clean it by driving in the towers for 10 to 15 minutes. Do not accelerate too much, it could damage the engine. It is advisable to drive at 3000 rpm. The temperature of the vehicle will in this way carbonize the stored soot, and thus purify the FAP. If this combination does not work, you will have to replace it.
Conclusion:
A damaged fap will then pollute and make you lose power. It is essential to replace it. Leave us a comment if this file has ever been useful. Good walk !