Having a problem with your car is basic, because sadly recent vehicles are more and more difficult and consequently be subject to more and more possible breakdowns. In this article we’re going to try to help you to resolve an injection problem on your Renault Laguna 2 . This is a problem that is particularly irritating because it can sooner or later bring your vehicle to non starting or broken engine unit. To do this, first we will find out how injection functions, then, what are the different concerns that can exist on a Renault Laguna 2 injectors , and finally, how to resolve them.

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What is the aim of the injection of a Renault Laguna 2?

So we start our content page by quickly explaining how an injection system functions so that you have all the info you need to understand the failures connected with it. < br>
The injection system of a Renault Laguna 2 controls the fuel intake into the engine unit , it replaces the old carburettors. It has the advantage to be a lot more precise and to come, under pressure, to release 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 release the fuel in the form of micro-drops into the cylinders of your Renault Laguna 2. 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 Renault Laguna 2?

Now in this second component, we are going to see the different injection problems and their signs of illness that you may confront on your Renault Laguna 2 .

Injection pump problems Renault Laguna 2

To start, we will find out the injection pump problems on your Renault Laguna 2, there are not many of them, they are quite often frequent but we will detail them 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 cause a bad air/fuel mixture and consequently a bad combustion and thus alter the performance of the engine unit of your Renault Laguna 2.
  • Leakage from the injection pump of your Renault Laguna 2: If you have a major leakage problem, the 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 results and signs of illness of a fuel pump problem on a Renault Laguna 2 , you will certainly experience, a lack of power, your engine unit grazing, dark smoke emissions…

Injectors problems Renault Laguna 2

Now we move on to the injector problems on Renault Laguna 2 . Injectors represent the end of your injection system, here are the different problems you may encounter:

  • Dirty Renault Laguna 2 injectors: This can happen because of poor fuel quality, they will let less fuel through or more if they are entirely clogged. So you will potentially have one or more cylinders that are not working effectively.
  • Leaky Renault Laguna 2 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 Renault Laguna 2 HS: This is the case when your injectors are entirely clogged or when you have an electronic problem, it will not let anything go.

Concerning the signs of illness of injector problems on your Renault Laguna 2 it is about the same as for a defective injection pump. You may encounter problems with starting, throttle response, power loss, and smoke emission.

How to solve an injection problem on a Renault Laguna 2?

To end our article content on the injection problems on Renault Laguna 2 , we will try to give you the solutions that exist to resolve these problems.
If after a precise diagnosis it’s your injection pump that is the main cause of your problems, it will sadly be very difficult to intervene on the issue without replacing the component, this change quite often goes with the replacement of the injectors, and in some cases 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 Renault Laguna 2, do not hesitate 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 hesitate to consult our content page on the injectors that leak on Renault Laguna 2, to have all the solutions available to you.
  • Injector HS: Finally, last solution, your injector is damaged or doesn’t work anymore, generally speaking, the replacement of an injector costs around 500 euros labor included.

To get more tips on the Renault Laguna 2, take a look at the Renault Laguna 2 category.