Having a problem with your motor vehicle is common, because sadly recent automobiles are more and more difficult and consequently be subject to more and more possible breakdowns. Today we’re going to try to help you to fix an injection problem on your Volkswagen Passat 8 . This is a problem that is especially irritating because it can ultimately 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 Volkswagen Passat 8 injectors , and finally, how to fix them.

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What is the intent of the injection of a Volkswagen Passat 8?

So we begin our content by quickly detailing how an injection system functions so that you have all the information you need to understand the failures connected with it. < br>
The injection system of a Volkswagen Passat 8 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 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 relieve the fuel in the form of micro-drops into the cylinders of your Volkswagen Passat 8. The benefit of fuel injection is to have a much more precise dosage than a carburettor and to allow a better air/fuel mixture and consequently a better combustion.

What are the different injection problems on Volkswagen Passat 8?

Now in this second part, we are going to see the different injection problems and their manifestations that you might come across on your Volkswagen Passat 8 .

Injection pump problems Volkswagen Passat 8

To commence, we will discover the injection pump problems on your Volkswagen Passat 8, there are not many of them, they are quite often frequent but we will outline 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 behavior of the engine of your Volkswagen Passat 8.
  • Leakage from the injection pump of your Volkswagen Passat 8: If you have a major 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 manifestations of a fuel pump problem on a Volkswagen Passat 8 , you will undoubtedly experience, a lack of power, your engine grazing, dark smoke emissions…

Injectors problems Volkswagen Passat 8

Now we move on to the injector problems on Volkswagen Passat 8 . Injectors are the end of your injection system, here are the different problems you might encounter:

  • Dirty Volkswagen Passat 8 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 functioning effectively.
  • Leaky Volkswagen Passat 8 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 Volkswagen Passat 8 HS: This is the circumstance when your injectors are completely clogged or when you have an electronic problem, it will not let anything go.

Concerning the symptoms of injector problems on your Volkswagen Passat 8 it is about the same as for a faulty injection pump. You might experience problems with starting, throttle response, power loss, and smoke emission.

How to get rid of an injection problem on a Volkswagen Passat 8?

To end our article content on the injection problems on Volkswagen Passat 8 , 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 cause of your problems, it will sadly be very complicated to intervene on the problem without replacing the part, this change quite often 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 several diagnostics and estimates before starting any repair.
Concerning a problem with an injector there are various solutions based on your concerns, here they are:

  • Dirty injector: You can clean the injectors of your Volkswagen Passat 8, do not be reluctant to consult our content 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 have the ability to replace it, do not think twice to consult our content on the injectors that leak on Volkswagen Passat 8, 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.

Whenever you have any additional questions about the Volkswagen Passat 8, do not hesitate to consult our Volkswagen Passat 8 category.