Your FAP warning light comes on and you don't know where the problem is coming from. The FAP exists mainly for vehicles Diesel, even if we can find them today for gasoline vehicles. Before starting repairs For this Kia Rio 3, it is important to know where this malfunction came from. What is a FAP for? Why does the light come on? What are the most regular concerns? In this text, we will go around the question. 
What is a FAP on your Kia Rio 3 for?
As its designation indicates, its role is to purify microscopic molecules harmful of the motor. These molecules are so tiny that they can easily penetrate our body. For your information, it is Peugeot who made this FAP. The catalyst is used to reduce the level of molecules emitted from the engine block, then the particle filter collects the rest. It is therefore essential to have a FAP in good condition in case you no longer want this Kia Rio 3 polluting.
Why the FAP indicator lights on your Kia Rio 3
The FAP of your Kia Rio 3 is clogged
Here is the most common concern. No wonder, the particle filter becomes clogged as time goes by. These molecules form clusters and thus impede the circulation of your exhaust gases. Normally, the particle filter on this Kia Rio 3 will be able to clean up on its own and thus destroy this waste. However, if it is particularly old it is necessary to replace it with a new one.
An electronic problem
The problem with the indicator lights is that we are not necessarily certain that there is a problem. Indeed, it sometimes appears that an indicator light is on while this Kia Rio 3 is working properly. The particle filter has a few electronic sensors that transmit a message to your indicator. If these probes do not work well while this particle filter works properly, it is conceivable that the indicator is lit.
What to do if the FAP indicator on your Kia Rio 3 lights up?
To start, it is completely illegal to remove the particle filter from your Kia Rio 3! This is considered an offense. You will need to check the sensors to see if they work well. Assuming that they themselves work well, the malfunction must come from the Particle filter. If the latter was clogged, it can be repaired by driving over speed for about ten minutes. Do not climb too much into the towers, this may damage the vehicle. It is advisable to drive at 3000 rpm. The heat from the engine block should therefore burn the stored dirt, and purify this particulate filter. If such a method does not work, it should be replaced.
Conclusion:
A bad fap should pollute and make you lose power. It is therefore important to change it. Write a comment if this article served you. Good road !