A catalytic converter is an important component of recent cars, as it purifies your vehicle’s exhaust gases and thus matches modern pollution specifications. Nevertheless, it is possible that it may turned out to be clogged or malfunction, in which case a replace or cleaning is necessary. Today we are going to check out how to clean a catalytic converter on Citroen C4? To achieve this, first of all, we will explain the situations in which it may be interesting to clean the catalytic converter of your Citroen C4, then, how to execute this cleaning to recover the performance of the catalytic converter of your car.

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Why would you want to clean up the catalytic converter of your Citroen C4?

In this first part we will teach you why it may be beneficial to clean the catalyst of your Citroen C4 . Indeed for some of you it might seem obvious but the majority of you do not know how it functions and the outcomes dirty catalytic converter .

Purpose and functioning of the catalytic converter of a Citroen C4

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The catalytic converter of your Citroen C4 has the function to get rid of harmful exhaust gases associated with the operation of your engine unit. Indeed, it is one of the most important elements that fight against the pollution discharged by your Citroen C4. It will transform these harmful gases into water or nonpolluting gases. In order to transform these gases, the catalyst of your Citroen C4 a mesh of precious metals which, when the gases pass at high temperature, will break them down by chemical reaction . A catalytic converter can only work from 400°, it is therefore necessary to avoid clogging the catalytic converter of your Citroen C4. If you are considering making sufficiently long journeys to heat it up regularly (count more than 10 kilometres for the catalyst to reach the right temperature), this will allow you to optimise the life of this element and preserve ideal engine unit effectiveness.

Results of a dirty or defective catalytic converter on Citroen C4

We will now see what can be the outcomes of a dirty or failing catalytic converter on Citroen C4 . This will allow you to distinguish the manifestations that should inform you to a malfunction of your catalytic converter, here is the list of symptoms of a defective catalytic converter:

  • The catalytic converter of your Citroen C4 is clogged: As we explained above, if you make too short journeys like 50% of people, it will not have the time to start working and the catalytic converter will clog up with exhaust gases.
  • Switching on the engine light: : Following a clogged catalytic converter, engine light of your Citroen C4 may come on, do not think twice to seek advice from our content page to identify how to switch it off.
  • A defective lambda sensor : The catalyst functions in close connection with the lambda sensors downstream and upstream of it, they will analyze the air flowing inside it, if it is clogged the sensors will more often than not as well have complications.
  • A metallic noise originating from the exhaust: In the event that the catalyst is dead you should hear this noise which results in that the ceramic is damaged.

Why you should clean the catalytic converter of your Citroen C4

Before we accomplish with the step you are likely most enthusiastic about, how to clean the catalytic converter of a Citroen C4? We will teach you why it may be relevant for you to perform this cleaning. Indeed, a catalytic converter is a very expensive component (about 500 euros with the installation, the price can fluctuate depending to the engines). In addition to being no longer good for passing the technical control , you may be at risk of over-consumption of fuel . At last, the last interest is that cleaning a catalytic converter is not that expensive and doing it regularly will save you a lot of money.

How do you clean the catalytic converter from its Citroen C4?

Finally here is the step that you are most likely most enthusiastic about in this guideline, how to clean the catalytic converter of your Citroen C4? Know that this process is very very easy, and that there are two approaches to accomplish:

  • Scrubbing the catalytic converter from your Citroen C4 frequently: This strategy is specifically practical for people who mainly do short trips . To do so, nothing could be less complicated, from time to time, make a long trip (about 30 minutes to enhance the efficiency of the process), thinking of making your engine go up in revs so that the temperature in the catalyst increases and it can be cleaned.
  • To use a catalyst cleaner: You can find some in a car center for about 20 euros. All you have to do is add it to your fuel directly in your tank with about half a full tank. Afterwards you will have to drive on a long distance for at least 1 hour at mid-range by trying to go regularly at high rpm . If you can before and afterwards do an exhaust gas analysis to examine that you have recovered healthier exhaust fumes after the procedure. You can perform this procedure every 15 000km.

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To find more tips on the Citroen C4, take a look at the Citroen C4 category.