Having a problem with your motor vehicle is traditional, because unfortunately recent automobiles are more and more complex and consequently subject to more and more possible breakdowns. In this article we’re going to try to help you to fix an injection problem on your Volkswagen Passat 7 . This is a problem that is especially irritating because it can sooner or later bring your vehicle to non starting or broken engine. To achieve this, first we will discover how injection functions, then, what are the different problems that can exist on a Volkswagen Passat 7 injectors , and finally, how to fix them.

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What is the intent of the injection of a Volkswagen Passat 7?

So we commence our content by quickly detailing how an injection system functions so that you have all the info you need to discover the failures connected with it. < br>
The injection system of a Volkswagen Passat 7 handles the fuel intake into the engine , it replaces the old carburettors. It has the advantage to be far 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 release the fuel in the form of micro-drops into the cylinders of your Volkswagen Passat 7. 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 complications on Volkswagen Passat 7?

Now in this second component, we are going to see the different injection complications and their symptoms that you may possibly confront on your Volkswagen Passat 7 .

Injection pump complications Volkswagen Passat 7

To start, we will discover the injection pump complications on your Volkswagen Passat 7, there are not many of them, they are quite often frequent 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 might be too high or too low which will bring about a bad air/fuel mixture and consequently a bad combustion and thus alter the performance of the engine of your Volkswagen Passat 7.
  • Leakage from the injection pump of your Volkswagen Passat 7: 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 outcomes and symptoms of a fuel pump problem on a Volkswagen Passat 7 , you will undoubtedly experience, a lack of power, your engine grazing, dark smoke emissions…

Injectors complications Volkswagen Passat 7

Now we proceed to the injector problems on Volkswagen Passat 7 . Injectors represent the end of your injection system, here are the different complications you may possibly encounter:

  • Dirty Volkswagen Passat 7 injectors: This can happen as a result of 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 Volkswagen Passat 7 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 7 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 complications on your Volkswagen Passat 7 it is about the same as for a defective injection pump. You may possibly encounter problems with starting, throttle response, power loss, and smoke emission.

How to solve an injection problem on a Volkswagen Passat 7?

To conclude our content on the injection complications on Volkswagen Passat 7 , we will try to give you the solutions that exist to fix these complications.
If after a precise investigation it’s your injection pump that is the source of your complications, it will unfortunately be very complicated to intervene on the problem without changing the component, 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 depending on your concerns, here they are:

  • Dirty injector: You can clean the injectors of your Volkswagen Passat 7, 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 hesitate to seek advice from our content on the injectors that leak on Volkswagen Passat 7, to have all the solutions available to you.
  • Injector HS: Finally, last remedy, your injector is broken or doesn’t work anymore, generally speaking, the replacement of an injector costs around 500 euros labor included.

In the event that you have any further questions about the Volkswagen Passat 7, do not hesitate to consult our Volkswagen Passat 7 category.