Having a issue with your car is basic, because unfortunately recent vehicles are more and more difficult and consequently be subject to more and more possible breakdowns. On this page we’re going to try to help you to fix an injection problem on your Mercedes Classe M . This is a issue that is especially irritating because it can sooner or later bring your car to non starting or damaged engine unit. To achieve this, first we will see how injection functions, then, what are the different concerns that can exist on a Mercedes Classe M injectors , and at last, how to fix them.
What is the purpose of the injection of a Mercedes Classe M?
So we commence our article by quickly detailing how an injection system functions so that you have all the info you need to understand the failure affiliated with it. < br>
The injection system of a Mercedes Classe M handles the fuel intake into the engine unit , it replaces the old carburettors. It has the advantage to be far more precise and to come, under pressure, to release the fuel in the engine unit. The injection pump takes care of pressurizing the fuel and transferring it to the injectors, and the injectors will relieve the fuel in the form of micro-drops into the cylinders of your Mercedes Classe M. The advantage of fuel injection is to have a much more precise dosage than a carburettor and to allow a better air/fuel mixture and consequently a better combustion.
What are the different injection complications on Mercedes Classe M?
Now in this second part, we are going to see the different injection complications and their manifestations that you may come across on your Mercedes Classe M .
Injection pump complications Mercedes Classe M
To start, we will see the injection pump complications on your Mercedes Classe M, there are not many of them, they are quite often chronic but we will detail them below:
- Electronic issue of the high pressure pump: If you have an electronic issue, the pressure in your injection system may be too high or too low which will bring about a bad air/fuel mixture and consequently a bad combustion and thus alter the performance of the engine unit of your Mercedes Classe M.
- Leakage from the injection pump of your Mercedes Classe M: If you have a major leakage problem, the end result will be much the same as if you have a lack of pressure, you will not have enough pressure and consequently the combustion of your fuel will not be good
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Concerning the results and manifestations of a fuel pump issue on a Mercedes Classe M , you will certainly feel, a lack of power, your engine unit grazing, dark smoke emissions…
Injectors complications Mercedes Classe M
Now we move on to the injector problems on Mercedes Classe M . Injectors represent the end of your injection system, here are the different complications you may encounter:
- Dirty Mercedes Classe M injectors: This can happen because of poor fuel quality, they will let less fuel through or more if they are totally clogged. So you will potentially have one or more cylinders that are not functioning effectively.
- Leaky Mercedes Classe M injector: It’s quite often at the high pressure seals that an injector can leak, it can also, more rarely, be cracked or broken.
- Injector Mercedes Classe M HS: This is the case when your injectors are totally clogged or when you have an electronic problem, it will not let anything go.
Concerning the signs of illness of injector complications on your Mercedes Classe M it is about the same as for a faulty injection pump. You may encounter problems with starting, throttle response, power loss, and smoke emission.
How to resolve an injection issue on a Mercedes Classe M?
To end our content on the injection complications on Mercedes Classe M , we will try to give you the solutions that exist to fix these complications.
If after a precise analysis it’s your injection pump that is the reason of your complications, it will unfortunately be very difficult to intervene on the issue without replacing the part, this change quite often goes with the replacement of the injectors, and sometimes the tank, it will take between 2000 and 3000 euros for the whole, try to get some diagnostics and estimates before starting any repair.
Concerning a issue with an injector there are various solutions depending on your concerns, here they are:
- Dirty injector: You can clean the injectors of your Mercedes Classe M, do not hesitate to seek advice from our article on this subject to get the procedure. If it doesn’t work, you will have to replace them.
- Leaky injector: The change and the purchase of a joint kit will only cost you a few tens of euros, but you still need to be able to change it, do not think twice to seek advice from our article on the injectors that leak on Mercedes Classe M, to have all the solutions available to you.
- Injector HS: Finally, last solution, your injector is broken or doesn’t work anymore, generally speaking, the replacement of an injector costs around 500 euros labor included.
Whenever you have any further questions about the Mercedes Classe M, do not hesitate to consult our Mercedes Classe M category.
