Having a issue with your car is traditional, because sadly recent vehicles are more and more complex and therefore subject to more and more possible breakdowns. In this article we’re going to try to help you to resolve an injection problem on your Mercedes Classe B . This is a issue that is specially irritating because it can ultimately bring your car to non starting or damaged engine unit. To do this, first we will discover how injection functions, then, what are the different problems that can exist on a Mercedes Classe B injectors , and at last, how to resolve them.
What is the aim of the injection of a Mercedes Classe B?
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 failures associated with it. < br>
The injection system of a Mercedes Classe B handles the fuel intake into the engine unit , it replaces the old carburettors. It has the advantage to be much more precise and to come, under pressure, to launch 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 discharge the fuel in the form of micro-drops into the cylinders of your Mercedes Classe B. The advantage of fuel injection is to have a much more precise dosage than a carburettor and to enable a better air/fuel mixture and therefore a better combustion.
What are the different injection complications on Mercedes Classe B?
Now in this second part, we are going to see the different injection complications and their signs of illness that you may face on your Mercedes Classe B .
Injection pump complications Mercedes Classe B
To start, we will discover the injection pump complications on your Mercedes Classe B, there are not many of them, they are often recurrent but we will detail them down 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 therefore a bad combustion and thus alter the behavior of the engine unit of your Mercedes Classe B.
- Leakage from the injection pump of your Mercedes Classe B: If you have a major leakage problem, the result will be much the same as if you have a lack of pressure, you will not have enough pressure and therefore the combustion of your fuel will not be good
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Regarding the outcomes and signs of illness of a fuel pump issue on a Mercedes Classe B , you will certainly experience, a lack of power, your engine unit grazing, dark smoke emissions…
Injectors complications Mercedes Classe B
Now we proceed to the injector problems on Mercedes Classe B . Injectors represent the end of your injection system, here are the different complications you may encounter:
- Dirty Mercedes Classe B injectors: This can happen due to poor fuel quality, they will let less fuel through or more if they are entirely clogged. So you will potentially have one or more cylinders that are not functioning properly.
- Leaky Mercedes Classe B injector: It’s often at the high pressure seals that an injector can leak, it can also, more rarely, be cracked or broken.
- Injector Mercedes Classe B HS: This is the circumstance when your injectors are entirely clogged or when you have an electronic problem, it will not let anything go.
Concerning the symptoms of injector complications on your Mercedes Classe B it is about the same as for a defective injection pump. You may experience problems with starting, throttle response, power loss, and smoke emission.
How to fix an injection issue on a Mercedes Classe B?
To end our article on the injection complications on Mercedes Classe B , we will try to give you the solutions that exist to resolve these complications.
If after a precise investigation it’s your injection pump that is the cause of your complications, it will sadly be very complicated to intervene on the trouble without changing the part, this change often goes with the replacement of the injectors, and in some cases the tank, it will take between 2000 and 3000 euros for the whole, try to get several diagnostics and estimates before starting any repair.
Regarding a issue with an injector there are different solutions depending on your concerns, here they are:
- Dirty injector: You can clean the injectors of your Mercedes Classe B, do not be reluctant to seek advice from our article on this subject to get the procedure. If it doesn’t work, you will have to change them.
- Leaky injector: The replace and the purchase of a joint kit will only cost you a few tens of euros, but you still need to have the ability to replace it, do not hesitate to seek advice from our article on the injectors that leak on Mercedes Classe B, to have all the solutions available to you.
- Injector HS: Finally, last remedy, your injector is broken or doesn’t work anymore, generally, the replacement of an injector costs around 500 euros labor included.
If you have any additional questions about the Mercedes Classe B, do not hesitate to consult our Mercedes Classe B category.
