A catalytic converter is an important part of contemporary cars, as it purifies your vehicle’s exhaust fumes and thus matches modern pollution requirements. Nevertheless, it is possible that it may become clogged or malfunction, in which circumstance a change or cleaning is necessary. In this article we are going to check out how to clean a catalytic converter on Porsche 911? To do this, first of all, we will describe the scenarios in which it might be interesting to clean the catalytic converter of your Porsche 911, then, how to accomplish this cleaning to retrieve the efficiency of the catalytic converter of your car.


Why would you want to clean up the catalytic converter of your Porsche 911?

In this first section we will show you why it might be necessary to clean the catalyst of your Porsche 911 . Indeed for some of you it might seem obvious but most of you do not know how it works and the consequences dirty catalytic converter .

Purpose and functioning of the catalytic converter of a Porsche 911

The catalytic converter of your Porsche 911 has the task to eliminate harmful exhaust fumes associated with the operation of your engine. Indeed, it is one of the main components that fight against the pollution discharged by your Porsche 911. It will transform these harmful gases into water or non-polluting fumes. In order to transform these gases, the catalyst of your Porsche 911 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 consequently essential to avoid clogging the catalytic converter of your Porsche 911. If you are considering making adequately long trips to heat it up frequently (count more than 10 kilometres for the catalyst to reach the right temperature), this will allow you to optimise the life of this part and keep best engine performance.

Results of a dirty or defective catalytic converter on Porsche 911

We will now see what can be the consequences of a dirty or failing catalytic converter on Porsche 911 . This will allow you to distinguish the signs of illness that should alarm you to a breakdown of your catalytic converter, here is the list of symptoms of a defective catalytic converter:

  • The catalytic converter of your Porsche 911 is blocked: As we stated above, if you make too short journeys like 50% of people, it will not have the time to start functioning and the catalytic converter will clog up with exhaust fumes.
  • Switching on the engine light: : Following a clogged catalytic converter, engine light of your Porsche 911 may come on, do not hesitate to consult our content page to find out how to switch it off.
  • A defective lambda sensor : The catalyst works 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 often also have problems.
  • A metallic noise coming from the exhaust: In case the catalyst is dead you should notice this noise which means that the ceramic is damaged.

Why you should clean the catalytic converter of your Porsche 911

Before we end with the step you are probably most enthusiastic about, how to clean the catalytic converter of a Porsche 911? We will show you why it might be relevant for you to carry out this cleaning. Indeed, a catalytic converter is a very expensive part (about 500 euros with the installation, the price can fluctuate according to the engines). Furthermore to being no longer good for passing the technical control , you might 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 frequently will save you quite a lot of money.

How do you clean the catalytic converter from its Porsche 911?

Finally here is the step that you are most likely most keen on in this guideline, how to clean the catalytic converter of your Porsche 911? Know that this procedure is very basic, and that there are two ways to do it:

  • Scrubbing the catalytic converter from your Porsche 911 regularly: This technique is specifically beneficial for people who mainly do short trips . To do so, nothing could be simpler, from time to time, make a long trip (about 30 minutes to improve 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 locate some in a car center for about 20 euros. All you have to do is add it to your fuel straight 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 frequently at high rpm . If you can before and afterwards do an exhaust gas analysis to verify that you have recovered healthier exhaust fumes after the procedure. You can carry out this procedure every 15 000km.


If you need more tutorials on the Porsche 911, go to our Porsche 911 category.