Having a problem with your motor vehicle is basic, because sadly recent vehicles are more and more complex and consequently be subject to more and more possible breakdowns. On this page we’re going to try to help you to fix an injection problem on your Mercedes Classe C 4 . This is a problem that is specially frustrating because it can sooner or later bring your vehicle to non starting or broken engine. To achieve this, first we will see how injection works, then, what are the different concerns that can exist on a Mercedes Classe C 4 injectors , and finally, how to fix them.

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What is the purpose of the injection of a Mercedes Classe C 4?

So we commence our article by promptly explaining how an injection system works so that you have all the info you need to figure out the failures affiliated with it. < br>
The injection system of a Mercedes Classe C 4 manages 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 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 C 4. 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 C 4?

Now in this second component, we are going to discover the different injection problems and their manifestations that you may possibly come across on your Mercedes Classe C 4 .

Injection pump problems Mercedes Classe C 4

To commence, we will see the injection pump problems on your Mercedes Classe C 4, there are not many of them, they are quite often chronic but we will detail them down 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 cause a bad air/fuel mixture and consequently a bad combustion and thus alter the behavior of the engine of your Mercedes Classe C 4.
  • Leakage from the injection pump of your Mercedes Classe C 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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Regarding the outcomes and manifestations of a fuel pump problem on a Mercedes Classe C 4 , you will undoubtedly experience, a lack of power, your engine grazing, dark smoke emissions…

Injectors problems Mercedes Classe C 4

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

  • Dirty Mercedes Classe C 4 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 probably have one or more cylinders that are not working effectively.
  • Leaky Mercedes Classe C 4 injector: It’s quite often at the high pressure seals that an injector can leak, it can also, more rarely, be cracked or broken.
  • Injector Mercedes Classe C 4 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 C 4 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 get rid of an injection problem on a Mercedes Classe C 4?

To conclude our article on the injection problems on Mercedes Classe C 4 , we will try to give you the solutions that exist to fix these problems.
If after a precise investigation it’s your injection pump that is the main cause of your problems, it will sadly be very difficult to intervene on the trouble without replacing the component, this change quite 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 some diagnostics and estimates before starting any repair.
Regarding a problem with an injector there are various solutions depending on your concerns, here they are:

  • Dirty injector: You can clean the injectors of your Mercedes Classe C 4, do not be reluctant to consult our article on this subject to get the procedure. 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 have the ability to change it, do not hesitate to consult our article on the injectors that leak on Mercedes Classe C 4, 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.

To discover more tips on the Mercedes Classe C 4, take a look at the Mercedes Classe C 4 category.