Having a issue with your motor vehicle is basic, because sadly 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 resolve an injection problem on your Mercedes Classe E 5 . This is a issue that is specially bothersome because it can sooner or later bring your vehicle to non starting or broken engine. To get this done, first we will discover how injection functions, then, what are the different problems that can exist on a Mercedes Classe E 5 injectors , and finally, how to resolve them.

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What is the intent of the injection of a Mercedes Classe E 5?

So we commence our content by quickly explaining how an injection system functions 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 5 controls 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 launch the fuel in the engine. 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 E 5. 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 5?

Now in this second part, we are going to see the different injection problems and their symptoms that you may possibly come across on your Mercedes Classe E 5 .

Injection pump problems Mercedes Classe E 5

To start, we will discover the injection pump problems on your Mercedes Classe E 5, there are not many of them, they are often 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 consequently a bad combustion and thus alter the performance of the engine of your Mercedes Classe E 5.
  • Leakage from the injection pump of your Mercedes Classe E 5: If you have a significant 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 consequences and symptoms of a fuel pump issue on a Mercedes Classe E 5 , you will certainly feel, a lack of power, your engine grazing, dark smoke emissions…

Injectors problems Mercedes Classe E 5

Now we move on to the injector problems on Mercedes Classe E 5 . Injectors represent the end of your injection system, here are the different problems you may possibly encounter:

  • Dirty Mercedes Classe E 5 injectors: This can happen due to 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 working properly.
  • Leaky Mercedes Classe E 5 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 5 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 symptoms of injector problems on your Mercedes Classe E 5 it is about the same as for a faulty injection pump. You may possibly encounter problems with starting, throttle response, power loss, and smoke emission.

How to solve an injection issue on a Mercedes Classe E 5?

To end our article on the injection problems on Mercedes Classe E 5 , we will try to give you the solutions that exist to resolve these problems.
If after a precise analysis it’s your injection pump that is the source of your problems, it will sadly be very complicated to intervene on the issue 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 some diagnostics and estimates before starting any repair.
Concerning a issue with an injector there are various solutions based on your concerns, here they are:

  • Dirty injector: You can clean the injectors of your Mercedes Classe E 5, do not hesitate to seek advice from our content on this subject to get the process. If it doesn’t work, you will have to replace 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 content on the injectors that leak on Mercedes Classe E 5, 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 get more tips on the Mercedes Classe E 5, take a look at the Mercedes Classe E 5 category.