You’ve likely previously read about the popular EGR valve, the anti-pollution valve. It is not usually appreciated by motorists because it tends to develop more problems than anything else… Indeed, based on the use you are going to make of your automobile, it can become blocked and bring about you a lot of complications. If this is the case, you are likely concerned about how to clean the EGR valve of your GMC Canyon ? Don’t get worried, we’ve prepared this article to help you with this procedure. To do so, we will initially check out the purpose of the EGR valve, then what are the failures that the EGR valve of your GMC Canyon can cause and to finish the part that will likely interest you the most, how to clean the EGR valve GMC Canyon?
How to Clean your GMC Canyon EGR Valve: Role and Operation
Goal of the EGR valve
The EGR valve of your car has been integrated to diesel engines mostly to lower pollution released by automobiles and to meet EURO standards on GMC Canyon . It will as a consequence influence the quality of exhaust gas output and reduce toxic particles, mainly Nitrogen Oxide.
Operation of the EGR valve
Before we discover how to clean the EGR valve on your GMC Canyon , we will examine how it functions. As described just before, its goal 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 reduce all unburned toxic particles. It will run principally at low speed because at high speed the combustion is sufficient to burn all these gases.
How to clean your GMC Canyon EGR valve: Identifying faults
The EGR valve, nevertheless very beneficial to limit the pollution emissions of your GMC Canyon , will regrettably tend to clog up because of soot/gas deposits that will build up in its mechanism, which will finally risk obstructing the functions of the valve, until totally blocking the engine, here are the symptoms that a defective EGR valve on your GMC Canyon can provoke:
- Motor light on
- Performance loss
- Technical inspection refused
- Black gases
- Vehicle that grazes at low speed
- Low RPM settings
How to clean your GMC Canyon EGR valve: In practice
And now we’ll start the part you are most enthusiastic about, how to clean the EGR valve of your car. Here are the two methods that you can use.
Do it yourself
How to clean your GMC Canyon EGR valve system: Without dismantle
Although this procedure 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, similar to the products used to clean the injection. These particular 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 GMC Canyon.
How to clean your car EGR valve: With disassembly
Here is the most efficient procedure, which will require sufficient access to the EGR valve to do the operation 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 accomplished, now comes the time for cleaning. To make this happen, 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 even 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 GMC Canyon.
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 problems (removing too many elements that hinder access for example), how to clean the EGR valve of your GMC Canyon? In such a case, it would be better rather than launching yourself into an overly complex procedure, you turn to an auto mechanic. He will be able to accomplish the job more cleanly and will be able, if necessary, to change the valve if it is dead. The cost of cleaning based on the difficulty of access is between 70 and 300 €.
Remove the EGR valve of your GMC Canyon
At last, some people make a more radical decision to limit the risk of a failed valve. Instead of cleaning the EGR valve of their GMC Canyon, they just prefer to block it in the closed position. This modification will have the consequence of greatly increasing the pollution released by the automobile, of no longer complying with pollution requirements, of having an engine warning light all day on and ultimately 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 think twice to take a look at our dedicated page.
To discover more tips on the GMC Canyon, take a look at the GMC Canyon category.
