You’ve most likely already read about the renowned EGR valve, the anti-pollution valve. It is not generally appreciated by car owners because it is likely to develop more concerns than anything else… Indeed, dependant upon the use you are going to make of your vehicle, it can become blocked and cause you a lot of concerns. If this is the case, you are most likely concerned about how to clean the EGR valve of your Porsche 911 ? Don’t be anxious, we’ve well prepared this article content to help you with this procedure. To do this, we will first look at the goal of the EGR valve, then what are the failures that the EGR valve of your Porsche 911 can cause and to finish the part that will most likely concern you the most, how to clean the EGR valve Porsche 911?
How to Clean your Porsche 911 EGR Valve: Role and Operation
Role of the EGR valve
The EGR valve of your car has been added to diesel engines primarily to lower pollution released by vehicles and to meet EURO specifications on Porsche 911 . It will as a consequence influence the quality of exhaust gas output and eradicate toxic particles, mainly Nitrogen Oxide.
Operation of the EGR valve
Before we discover how to clean the EGR valve on your Porsche 911 , we will check out how it operates. As described just before, its objective is to clean the exhaust gases, so it will be positioned at the engine outlet, thanks to a valve, it will be able to return the unburned exhaust gases to the engine for a second burn which will eradicate all unburned toxic particles. It will operate principally at low speed because at high speed the combustion is sufficient to burn all these gases.
How to clean your Porsche 911 EGR valve: Identifying faults
The EGR valve, nevertheless very useful to limit the pollution emissions of your Porsche 911 , will sadly tend to clog up because of soot/gas deposits that will accumulate in its mechanism, which will inevitably risk blocking the operation of the valve, until entirely blocking the engine motor, here are the symptoms that a defective EGR valve on your Porsche 911 can provoke:
- Motor light on
- Performance loss
- Technical inspection refused
- Black gases
- Car that grazes at low speed
- Low RPM settings
How to clean your Porsche 911 EGR valve: In practice
And now we’ll start the part you are most interested in, how to clean the EGR valve of your car. Here are the two techniques that you can use.
Do it yourself
How to clean your Porsche 911 EGR valve system: Without taking it apart
Nevertheless this technique is less efficient, it is however possible to consider a “rough” cleaning of your EGR valve, the truth is, you will only need to use fuel additives, equivalent to the products used to clean the injection. These specific products must be injected into the running engine, at the right operating temperature, diluted in about 20 litres of fuel and run the engine for 3 or 4 minutes in high rev to clean the EGR valve of your Porsche 911.
How to clean your car EGR valve: With disassembly
Here is the best technique, which will require sufficient access to the EGR valve to accomplish the process without help. If so, the procedure is fairly straightforward. You will need to disconnect the electromagnet from the EGR valve, remove the few screws that hold it in place, and remove it. Once these steps are carried out, now comes the time for cleaning. To get this done, you will need to use a product such as solvent, petrol, oven cleaning product, which you will leave to act for ten minutes, then scrape off the rest using a scraper, finish cleaning with wire brush. If you want to go further, you can as well clean the two canal on which it is connected which may be scorched, for this, use a scraper and a vacuum cleaner to avoid dropping deposits in the conduits. You will only have to reassemble it and you will have finished cleaning the EGR valve of your Porsche 911.
Have it done by a professional
If, your EGR valve is not reachable because of the series or the engine of your car and if removing it would cause too many complications (removing too many elements that hinder access for example), how to clean the EGR valve of your Porsche 911? In this instance, it would be better rather than launching yourself into an overly complex procedure, you turn to an auto mechanic. He will be able to perform the job more cleanly and will be able, if required, to change the valve if it is dead. The cost of cleaning dependant upon the difficulty of access is between 70 and 300 €.
Remove the EGR valve of your Porsche 911
At last, a number of people make a more radical decision to limit the risk of a failed valve. Rather than cleaning the EGR valve of their Porsche 911, they simply choose to block it in the closed position. This manipulation will have the consequence of greatly increasing the pollution released by the vehicle, of no longer complying with pollution standards, of having an engine warning light all day on and eventually risk fouling the engine. We highly suggest against making this choice. If you have other questions or want to learn more about your car, don’t be reluctant to check out our dedicated page.
To find more tips on the Porsche 911, take a look at the Porsche 911 category.
