Having a problem with your motor vehicle is basic, because unfortunately recent automobiles are more and more difficult and consequently at the mercy of more and more possible breakdowns. On this page we’re going to try to help you to solve an injection problem on your Mercedes Classe E 4 . This is a problem that is especially annoying because it can ultimately bring your vehicle to non starting or broken engine. To get this done, first we will see how injection works, then, what are the different concerns that can exist on a Mercedes Classe E 4 injectors , and at last, how to solve them.

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What is the aim of the injection of a Mercedes Classe E 4?

So we start our content by quickly detailing how an injection system works so that you have all the info you need to understand the failure associated with it. < br>
The injection system of a Mercedes Classe E 4 handles the fuel intake into the engine , it replaces the old carburettors. It has the advantage to be much more precise and to come, under pressure, to release 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 E 4. 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 consequently a better combustion.

What are the different injection problems on Mercedes Classe E 4?

Now in this second component, we are going to explore the different injection problems and their symptoms that you may possibly confront on your Mercedes Classe E 4 .

Injection pump problems Mercedes Classe E 4

To commence, we will see the injection pump problems on your Mercedes Classe E 4, there are not many of them, they are often persistent but we will outline them down below:

  • Electronic problem of the high pressure pump: If you have an electronic problem, the pressure in your injection system may be too high or too low which will trigger a bad air/fuel mixture and consequently a bad combustion and thus alter the behavior of the engine of your Mercedes Classe E 4.
  • Leakage from the injection pump of your Mercedes Classe E 4: 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 consequently the combustion of your fuel will not be good

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Concerning the results and symptoms of a fuel pump problem on a Mercedes Classe E 4 , you will obviously feel, a lack of power, your engine grazing, dark smoke emissions…

Injectors problems Mercedes Classe E 4

Now we proceed to the injector problems on Mercedes Classe E 4 . Injectors are the end of your injection system, here are the different problems you may possibly encounter:

  • Dirty Mercedes Classe E 4 injectors: This can happen as a result of poor fuel quality, they will let less fuel through or more if they are entirely clogged. So you will probably have one or more cylinders that are not functioning properly.
  • Leaky Mercedes Classe E 4 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 E 4 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 problems on your Mercedes Classe E 4 it is about the same as for a defective injection pump. You may possibly experience problems with starting, throttle response, power loss, and smoke emission.

How to solve an injection problem on a Mercedes Classe E 4?

To finish our content page on the injection problems on Mercedes Classe E 4 , we will try to give you the solutions that exist to solve these problems.
If after a precise investigation it’s your injection pump that is the cause of your problems, it will unfortunately be very difficult to intervene on the issue without replacing the component, this change 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 several diagnostics and estimates before starting any repair.
Concerning a problem 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 E 4, do not think twice to seek advice from 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 think twice to seek advice from our content on the injectors that leak on Mercedes Classe E 4, 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.

If you have any additional questions about the Mercedes Classe E 4, do not hesitate to consult our Mercedes Classe E 4 category.