Having a problem with your car is common, because unfortunately recent automobiles are more and more difficult and consequently subject to more and more possible breakdowns. Today we’re going to try to help you to solve an injection problem on your Volkswagen Jetta . This is a problem that is particularly bothersome because it can eventually bring your vehicle to non starting or damaged engine unit. To get this done, first we will discover how injection works, then, what are the different problems that can exist on a Volkswagen Jetta injectors , and finally, how to solve them.

injection-problem-volkswagen-jetta

What is the intent of the injection of a Volkswagen Jetta?

So we begin our content page by promptly detailing how an injection system works so that you have all the information you need to figure out the failure associated with it. < br>
The injection system of a Volkswagen Jetta handles 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 discharge the fuel in the form of micro-drops into the cylinders of your Volkswagen Jetta. 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 Jetta?

Now in this second component, we are going to see the different injection complications and their signs of illness that you may confront on your Volkswagen Jetta .

Injection pump complications Volkswagen Jetta

To commence, we will discover the injection pump complications on your Volkswagen Jetta, there are not many of them, they are often recurrent but we will highlight them down below:

  • Electronic problem of the high pressure pump: If you have an electronic problem, the pressure in your injection system may be too high or too low which will trigger a bad air/fuel mixture and consequently a bad combustion and thus alter the performance of the engine unit of your Volkswagen Jetta.
  • Leakage from the injection pump of your Volkswagen Jetta: 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

.
Regarding the outcomes and signs of illness of a fuel pump problem on a Volkswagen Jetta , you will certainly experience, a lack of power, your engine unit grazing, dark smoke emissions…

Injectors complications Volkswagen Jetta

Now we move on to the injector problems on Volkswagen Jetta . Injectors are the end of your injection system, here are the different complications you may encounter:

  • Dirty Volkswagen Jetta injectors: This can happen as a result of 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 functioning effectively.
  • Leaky Volkswagen Jetta injector: It’s often at the high pressure seals that an injector can leak, it can also, more rarely, be cracked or broken.
  • Injector Volkswagen Jetta 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 symptoms of injector complications on your Volkswagen Jetta it is about the same as for a faulty injection pump. You may encounter problems with starting, throttle response, power loss, and smoke emission.

How to fix an injection problem on a Volkswagen Jetta?

To conclude our content page on the injection complications on Volkswagen Jetta , we will try to give you the solutions that exist to solve these complications.
If after a precise investigation it’s your injection pump that is the main cause of your complications, it will unfortunately be very complicated to intervene on the problem without changing the component, this change 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.
Regarding 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 Volkswagen Jetta, do not think twice to consult our content page 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 think twice to consult our content page on the injectors that leak on Volkswagen Jetta, to have all the solutions available to you.
  • Injector HS: Finally, last solution, your injector is damaged or doesn’t work anymore, generally, the replacement of an injector costs around 500 euros labor included.

If you have any additional questions about the Volkswagen Jetta, do not hesitate to consult our Volkswagen Jetta category.