Having a issue with your car is basic, because regrettably recent vehicles are more and more complex and consequently 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 Audi S3 . This is a issue that is specially bothersome because it can ultimately bring your car to non starting or broken engine unit. To get this done, first we will discover how injection functions, then, what are the different concerns that can exist on a Audi S3 injectors , and at last, how to fix them.

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What is the purpose of the injection of a Audi S3?

So we commence our content page by quickly detailing how an injection system functions so that you have all the information you need to understand the failure affiliated with it. < br>
The injection system of a Audi S3 manages the fuel intake into the engine unit , it replaces the old carburettors. It has the advantage to be much more precise and to come, under pressure, to launch the fuel in the engine unit. 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 Audi S3. 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 Audi S3?

Now in this second part, we are going to discover the different injection problems and their manifestations that you might encounter on your Audi S3 .

Injection pump problems Audi S3

To commence, we will discover the injection pump problems on your Audi S3, there are not many of them, they are often recurrent but we will highlight them below:

  • Electronic issue of the high pressure pump: If you have an electronic issue, 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 unit of your Audi S3.
  • Leakage from the injection pump of your Audi S3: If you have a major leakage problem, the consequence 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 issue on a Audi S3 , you will certainly experience, a lack of power, your engine unit grazing, dark smoke emissions…

Injectors problems Audi S3

Now we proceed to the injector problems on Audi S3 . Injectors are the end of your injection system, here are the different problems you might encounter:

  • Dirty Audi S3 injectors: This can happen as a result of poor fuel quality, they will let less fuel through or more if they are entirely clogged. So you will probably have one or more cylinders that are not working properly.
  • Leaky Audi S3 injector: It’s often at the high pressure seals that an injector can leak, it can also, more rarely, be cracked or broken.
  • Injector Audi S3 HS: This is the case when your injectors are entirely clogged or when you have an electronic problem, it will not let anything go.

Regarding the symptoms of injector problems on your Audi S3 it is about the same as for a defective injection pump. You might experience problems with starting, throttle response, power loss, and smoke emission.

How to get rid of an injection issue on a Audi S3?

To end our content page on the injection problems on Audi S3 , 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 main cause of your problems, it will regrettably be very complicated to intervene on the problem without changing the part, this change 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 several diagnostics and estimates before starting any repair.
Concerning a issue with an injector there are various solutions based on your concerns, here they are:

  • Dirty injector: You can clean the injectors of your Audi S3, do not hesitate to consult our content page 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 be able to change it, do not think twice to consult our content page on the injectors that leak on Audi S3, 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.

Whenever you have any additional questions about the Audi S3, do not hesitate to consult our Audi S3 category.