Having a problem with your car is basic, because sadly recent vehicles are more and more complex and therefore be subject to more and more possible breakdowns. In this article we’re going to try to help you to solve an injection problem on your Audi Q7 . This is a problem that is specially annoying because it can sooner or later bring your car to non starting or damaged engine. To achieve this, first we will discover how injection works, then, what are the different concerns that can exist on a Audi Q7 injectors , and finally, how to solve them.

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What is the aim of the injection of a Audi Q7?

So we start our article by promptly explaining how an injection system works so that you have all the information you need to understand the failure affiliated with it. < br>
The injection system of a Audi Q7 manages the fuel intake into the engine , it replaces the old carburettors. It has the benefit to be much more precise and to come, under pressure, to discharge 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 Audi Q7. 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 therefore a better combustion.

What are the different injection complications on Audi Q7?

Now in this second part, we are going to discover the different injection complications and their manifestations that you might confront on your Audi Q7 .

Injection pump complications Audi Q7

To begin, we will discover the injection pump complications on your Audi Q7, there are not many of them, they are quite often chronic but we will highlight 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 cause a bad air/fuel mixture and therefore a bad combustion and thus alter the behavior of the engine of your Audi Q7.
  • Leakage from the injection pump of your Audi Q7: 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 therefore 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 Audi Q7 , you will obviously experience, a lack of power, your engine grazing, dark smoke emissions…

Injectors complications Audi Q7

Now we proceed to the injector problems on Audi Q7 . Injectors represent the end of your injection system, here are the different complications you might encounter:

  • Dirty Audi Q7 injectors: This can happen because 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 functioning effectively.
  • Leaky Audi Q7 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 Audi Q7 HS: This is the case 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 Audi Q7 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 solve an injection problem on a Audi Q7?

To conclude our content page on the injection complications on Audi Q7 , we will try to give you the solutions that exist to solve these complications.
If after a precise analysis it’s your injection pump that is the source of your complications, it will sadly be very complicated to intervene on the problem without changing the part, 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.
Concerning a problem with an injector there are different solutions depending on your concerns, here they are:

  • Dirty injector: You can clean the injectors of your Audi Q7, do not be reluctant to consult our article 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 be able to replace it, do not think twice to consult our article on the injectors that leak on Audi Q7, 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.

If you have any further questions about the Audi Q7, do not hesitate to consult our Audi Q7 category.