Modern vehicles are becoming ever more technical and have parts that are tricky to remedy or take care of yourself. On this web page we will focus on a part that is necessary for the proper functioning of your car. They may involve frequent routine service and we will find out how to clean the fuel injectors of a Renault Grand Scenic 4? For this, firstly, we will find out why it might be important to clean the injectors of your car, and subsequently, the approach to clean the injector of a Renault Grand Scenic 4 .

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Why clean the injectors of a Renault Grand Scenic 4?

So we start our article with the interest of injector cleaning on Renault Grand Scenic 4 . Before showing how to clean the injectors of your Renault Grand Scenic 4, we will first show you you quickly the function and the working of the injectors of your car, then what are the signs of illness that should make you reflect on cleaning them. Realize that a common cleaning of your car’s injectors will help you to avoid any problems upstream.

Role and operation of an injector on Renault Grand Scenic 4

The injectors of your Renault Grand Scenic 4 have a specially important mission, in actual fact, they will have the role of handling the fuel flow into the engine . They are small nozzles (of the order of one micron) which, under pressure, will manage the release of fuel in the form of micro-drops and thus improve its combustion. They have the advantage of being set by the ECU and therefore have a very precise fuel release.

Symptoms of a dirty injector on Renault Grand Scenic 4

Now we’re going to take a look at the alerts that should make you think about cleaning the injectors of your Renault Grand Scenic 4 . You should know that if your injectors are clogged or blocked, you will have a bad combustion and you may sooner or later harm them irremediably and have to change them, which will cost you actually quite a lot of money . In case it is rather a leak that you notice on the injectors of your Renault Grand Scenic 4, consult this article to see the solutions available to you. Find below, the list of manifestations of blocked injectors on your car:

  • Problems to start the engine unit: If your car has problems to start, it is possible that the poor fuel diffusion is at the origin of this problem.
  • A loss of power: If you experience your engine unit is losing power, it’s possible that poor fuel delivery through your clogged injectors is the trigger of your problem.
  • Unstable idle speed: Injectors clogged on Renault Grand Scenic 4 can cause unusual engine unit performance, including unstable idle speed.
  • Excessive dark smoke emissions: Poor combustion in your engine unit can trigger thick black smoke.

How to clean the injectors of a Renault Grand Scenic 4?

Now that we have seen the causes for a fuel injector cleaning on Renault Grand Scenic 4 , we will describe how to execute this procedure. There are 3 main possible methods, we will now present them to you one after the other.

Cleaning the injectors of a Renault Grand Scenic 4 with a particular additive

First and simplest way to do it, you can just use an injector cleaner to maintain the injectors of your Renault Grand Scenic 4 . This additive which will just cost you about fifteen euros and will allow you to preserve your injectors. In actual fact, this product will have a very moderate effectiveness if your injectors are already clogged, but used every 5000 kilometers it will prevent this from happening. Follow the guidelines to use it accurately, but just pour the bottle into the tank to carry out the procedure, so it is accessible to almost everyone.

Clean the injectors of your Renault Grand Scenic 4 with ultrasound

A more complex and more expensive but much more useful strategy, you can by calling a specialist clean the injectors of your Renault Grand Scenic 4 with ultrasound . This procedure, can be conducted by yourself if you buy the adapted equipment which, based on the price, will not have similar efficiency (count between 50 and 500€ based on the quality of the machine). It allows thanks to ultrasounds to dissolve all the dirt gathered on the injectors of your car. In any other case, you can bring your injectors to a specialist who will be equipped with a more efficient equipment, you will be charged about 50 to 100 euros for this service, however, you will have to disassemble your injectors yourself.

Clean the injectors of a Renault Grand Scenic 4 with a pressurized cleaning system

This technique to clean the injectors of a Renault Grand Scenic 4 , is not the most effective but already allows you to clean your injectors without having to disassemble them . It is thanks to a pressure system installed on the injector rail that the impurities and dirt present on your injectors will be cleaned. This remedy will cost you around 300 euros based on the specialist you call upon.

To discover more tips on the Renault Grand Scenic 4, take a look at the Renault Grand Scenic 4 category.