Having a problem with your car is basic, because regrettably recent automobiles are more and more complex and consequently be subject to more and more possible breakdowns. In this article we’re going to try to help you to fix an injection problem on your Mercedes Classe B 2 . This is a problem that is especially frustrating because it can ultimately bring your vehicle to non starting or broken engine unit. To get this done, first we will see how injection functions, then, what are the different concerns that can exist on a Mercedes Classe B 2 injectors , and finally, how to fix them.

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What is the aim of the injection of a Mercedes Classe B 2?

So we start our content by quickly explaining how an injection system functions so that you have all the information you need to figure out the failure affiliated with it. < br>
The injection system of a Mercedes Classe B 2 controls the fuel intake into the engine unit , 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 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 B 2. The benefit of fuel injection is to have a much more precise dosage than a carburettor and to enable a better air/fuel mixture and consequently a better combustion.

What are the different injection problems on Mercedes Classe B 2?

Now in this second component, we are going to see the different injection problems and their manifestations that you may confront on your Mercedes Classe B 2 .

Injection pump problems Mercedes Classe B 2

To start, we will see the injection pump problems on your Mercedes Classe B 2, there are not many of them, they are generally persistent but we will highlight them below:

  • Electronic problem of the high pressure pump: If you have an electronic problem, the pressure in your injection system might be too high or too low which will trigger a bad air/fuel mixture and consequently a bad combustion and thus alter the performance of the engine unit of your Mercedes Classe B 2.
  • Leakage from the injection pump of your Mercedes Classe B 2: If you have a major leakage problem, the consequence 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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Regarding the outcomes and manifestations of a fuel pump problem on a Mercedes Classe B 2 , you will undoubtedly feel, a lack of power, your engine unit grazing, dark smoke emissions…

Injectors problems Mercedes Classe B 2

Now we move on to the injector problems on Mercedes Classe B 2 . Injectors are the end of your injection system, here are the different problems you may encounter:

  • Dirty Mercedes Classe B 2 injectors: This can happen because of poor fuel quality, they will let less fuel through or more if they are completely clogged. So you will possibly have one or more cylinders that are not functioning effectively.
  • Leaky Mercedes Classe B 2 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 2 HS: This is the case when your injectors are completely clogged or when you have an electronic problem, it will not let anything go.

Regarding the signs of illness of injector problems on your Mercedes Classe B 2 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 resolve an injection problem on a Mercedes Classe B 2?

To conclude our article content on the injection problems on Mercedes Classe B 2 , we will try to give you the solutions that exist to fix these problems.
If after a precise analysis it’s your injection pump that is the main cause of your problems, it will regrettably 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 some diagnostics and estimates before starting any repair.
Regarding a problem with an injector there are different solutions based on your concerns, here they are:

  • Dirty injector: You can clean the injectors of your Mercedes Classe B 2, do not think twice to consult our content on this subject to get the process. 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 be able to replace it, do not hesitate to consult our content on the injectors that leak on Mercedes Classe B 2, to have all the solutions available to you.
  • Injector HS: Finally, last solution, your injector is damaged or doesn’t work anymore, generally, the replacement of an injector costs around 500 euros labor included.

To find more tips on the Mercedes Classe B 2, take a look at the Mercedes Classe B 2 category.