Having a issue with your motor vehicle is basic, because sadly recent vehicles are more and more difficult and therefore subject to more and more possible breakdowns. Today we’re going to try to help you to fix an injection problem on your Mercedes Classe B 3 . This is a issue that is especially bothersome because it can eventually bring your car to non starting or broken engine. To do this, first we will discover how injection works, then, what are the different concerns that can exist on a Mercedes Classe B 3 injectors , and finally, how to fix them.

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What is the purpose of the injection of a Mercedes Classe B 3?

So we start our article by quickly explaining how an injection system works so that you have all the information you need to figure out the failure connected with it. < br>
The injection system of a Mercedes Classe B 3 handles the fuel intake into the engine , it replaces the old carburettors. It has the benefit to be a lot more precise and to come, under pressure, to discharge the fuel in the engine. The injection pump takes care of pressurizing the fuel and transferring it to the injectors, and the injectors will release the fuel in the form of micro-drops into the cylinders of your Mercedes Classe B 3. The benefit of fuel injection is to have a much more precise dosage than a carburettor and to allow a better air/fuel mixture and therefore a better combustion.

What are the different injection complications on Mercedes Classe B 3?

Now in this second component, we are going to see the different injection complications and their symptoms that you may confront on your Mercedes Classe B 3 .

Injection pump complications Mercedes Classe B 3

To start, we will discover the injection pump complications on your Mercedes Classe B 3, there are not many of them, they are generally chronic but we will highlight them down below:

  • Electronic issue of the high pressure pump: If you have an electronic issue, the pressure in your injection system might be too high or too low which will cause a bad air/fuel mixture and therefore a bad combustion and thus alter the performance of the engine of your Mercedes Classe B 3.
  • Leakage from the injection pump of your Mercedes Classe B 3: If you have a significant leakage problem, the consequence 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 symptoms of a fuel pump issue on a Mercedes Classe B 3 , you will obviously feel, a lack of power, your engine grazing, dark smoke emissions…

Injectors complications Mercedes Classe B 3

Now we proceed to the injector problems on Mercedes Classe B 3 . Injectors are the end of your injection system, here are the different complications you may encounter:

  • Dirty Mercedes Classe B 3 injectors: This can happen as a result of poor fuel quality, they will let less fuel through or more if they are totally clogged. So you will possibly have one or more cylinders that are not working effectively.
  • Leaky Mercedes Classe B 3 injector: It’s generally at the high pressure seals that an injector can leak, it can also, more rarely, be cracked or broken.
  • Injector Mercedes Classe B 3 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 B 3 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 solve an injection issue on a Mercedes Classe B 3?

To finish our article on the injection complications on Mercedes Classe B 3 , we will try to give you the solutions that exist to fix these complications.
If after a precise investigation it’s your injection pump that is the reason of your complications, it will sadly be very difficult to intervene on the problem without changing the component, this change generally goes with the replacement of the injectors, and occasionally 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 3, do not hesitate to seek advice from our article on this subject to get the process. If it doesn’t work, you will have to change 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 B 3, to have all the solutions available to you.
  • Injector HS: Finally, last remedy, your injector is broken or doesn’t work anymore, in general, the replacement of an injector costs around 500 euros labor included.

To find more tips on the Mercedes Classe B 3, take a look at the Mercedes Classe B 3 category.