Having a issue with your motor vehicle is traditional, because regrettably recent vehicles are more and more difficult 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 Renault Laguna . This is a issue that is especially frustrating because it can sooner or later bring your vehicle to non starting or damaged engine unit. To achieve this, first we will discover how injection works, then, what are the different problems that can exist on a Renault Laguna injectors , and at last, how to fix them.

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What is the intent of the injection of a Renault Laguna?

So we begin our content by promptly explaining how an injection system works so that you have all the info you need to understand the failure affiliated with it. < br>
The injection system of a Renault Laguna 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 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 release the fuel in the form of micro-drops into the cylinders of your Renault Laguna. The advantage of fuel injection is to have a much more precise dosage than a carburettor and to allow a better air/fuel mixture and consequently a better combustion.

What are the different injection complications on Renault Laguna?

Now in this second part, we are going to discover the different injection complications and their symptoms that you may encounter on your Renault Laguna .

Injection pump complications Renault Laguna

To start, we will discover the injection pump complications on your Renault Laguna, there are not many of them, they are often frequent but we will detail them down below:

  • Electronic issue of the high pressure pump: If you have an electronic issue, 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.
  • Leakage from the injection pump of your Renault Laguna: If you have a significant 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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Regarding the consequences and symptoms of a fuel pump issue on a Renault Laguna , you will obviously experience, a lack of power, your engine unit grazing, dark smoke emissions…

Injectors complications Renault Laguna

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

  • Dirty Renault Laguna 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 working properly.
  • Leaky Renault Laguna injector: It’s often at the high pressure seals that an injector can leak, it can also, more rarely, be cracked or broken.
  • Injector Renault Laguna HS: This is the case when your injectors are totally clogged or when you have an electronic problem, it will not let anything go.

Concerning the symptoms of injector complications on your Renault Laguna 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 resolve an injection issue on a Renault Laguna?

To finish our article content on the injection complications on Renault Laguna , we will try to give you the solutions that exist to fix these complications.
If after a precise analysis it’s your injection pump that is the main cause of your complications, it will regrettably be very difficult to intervene on the trouble without changing the part, this change 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 some diagnostics and estimates before starting any repair.
Regarding a issue with an injector there are different solutions based on your concerns, here they are:

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

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