Having a issue with your car is basic, because sadly recent automobiles are more and more complex and consequently exposed to more and more possible breakdowns. On this page we’re going to try to help you to solve an injection problem on your Mercedes Viano . This is a issue that is particularly annoying because it can eventually bring your car to non starting or damaged engine. To do this, first we will find out how injection functions, then, what are the different concerns that can exist on a Mercedes Viano injectors , and finally, how to solve them.

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What is the intent of the injection of a Mercedes Viano?

So we commence our article by promptly explaining how an injection system functions so that you have all the info you need to figure out the failures associated with it. < br>
The injection system of a Mercedes Viano handles the fuel intake into the engine , it replaces the old carburettors. It has the advantage to be a lot 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 discharge the fuel in the form of micro-drops into the cylinders of your Mercedes Viano. 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 Viano?

Now in this second component, we are going to discover the different injection problems and their symptoms that you might encounter on your Mercedes Viano .

Injection pump problems Mercedes Viano

To commence, we will find out the injection pump problems on your Mercedes Viano, there are not many of them, they are quite often persistent 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 may 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 Viano.
  • Leakage from the injection pump of your Mercedes Viano: 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 consequences and symptoms of a fuel pump issue on a Mercedes Viano , you will most certainly feel, a lack of power, your engine grazing, dark smoke emissions…

Injectors problems Mercedes Viano

Now we move on to the injector problems on Mercedes Viano . Injectors are the end of your injection system, here are the different problems you might encounter:

  • Dirty Mercedes Viano injectors: This can happen due to poor fuel quality, they will let less fuel through or more if they are totally clogged. So you will probably have one or more cylinders that are not working properly.
  • Leaky Mercedes Viano 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 Viano HS: This is the case when your injectors are totally 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 Viano it is about the same as for a faulty injection pump. You might encounter problems with starting, throttle response, power loss, and smoke emission.

How to get rid of an injection issue on a Mercedes Viano?

To finish our article on the injection problems on Mercedes Viano , we will try to give you the solutions that exist to solve these problems.
If after a precise diagnosis it’s your injection pump that is the reason of your problems, it will sadly be very complicated to intervene on the problem without replacing the component, this change quite 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.
Regarding a issue with an injector there are different solutions based on your concerns, here they are:

  • Dirty injector: You can clean the injectors of your Mercedes Viano, 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 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 consult our article on the injectors that leak on Mercedes Viano, to have all the solutions available to you.
  • Injector HS: Finally, last solution, your injector is broken or doesn’t work anymore, generally, the replacement of an injector costs around 500 euros labor included.

If you need more guides on the Mercedes Viano, go to our Mercedes Viano category.