The FAP light is on and you do not know what the malfunction is. The FAP is present especially for vehicles Diesel, even if we find them now for gasoline vehicles. Before launching into repairs for your Toyota Corolla 7, it remains essential to know where the problem came from. How does a particle filter work? Why does the witness go off? What are the most common problems? In this text, we will go around the subject. 
What is a FAP used for on your Toyota Corolla 7
As its designation suggests, its role is to filter out microscopic particles toxiques of the engine block. These molecules are so small that they can easily enter our body. For your information, it is Peugeot who invented the particulate filter. Your catalyst is used to reduce the amount of particles produced by the vehicle, and the FAP collects waste. It is therefore essential to have a particle filter in good working condition in case you no longer want your Toyota Corolla 7 to pollute.
Why the FAP indicator light on your Toyota Corolla 7
The FAP of your Toyota Corolla 7 is clogged
Indeed, it is the most frequent dysfunction. And that's normal, the FAP gets dirty over time. These particles form clusters and block the flow of these exhaust gases. Ordinarily, the FAP in your Toyota Corolla 7 should purge automatically and make this waste disappear. That said, if the latter is old it is essential to change it.
An electronic problem
The problem with the LEDs is that you are by no means certain that there is a malfunction. For example, there are times when an indicator light comes on while your Toyota Corolla 7 is operating without worries. Your FAP has electronic sounders that send the message to the LED. When these sensors do not work well while the FAP is going well, it is possible that the warning light will go off.
What to do if the FAP indicator on your Toyota Corolla 7 lights up?
At first, it remains completely forbidden to remove the particle filter on your Toyota Corolla 7! This is punishable by law. You are able to check the sensors to see if they work perfectly. If these work perfectly, the problem must come from the FAP. If it was filthy, it can be cleaned by rolling the towers for 10 minutes. Without abuse, the process could damage the engine. It is advisable to climb to 3000 revolutions minutes. The vehicle temperature should therefore roast the stored dirt, and therefore clean the FAP. If such manipulation does not work, it must be replaced.
Conclusion:
Your fap in bad condition will then pollute as well as decrease acceleration. It remains essential to take care of it. Write a comment if this post has helped you. Good walk !