Having a issue with your motor vehicle is basic, because sadly recent automobiles are more and more difficult and consequently exposed to more and more possible breakdowns. Today we’re going to try to help you to resolve an injection problem on your Renault Scenic . This is a issue that is especially frustrating because it can eventually bring your car to non starting or damaged engine unit. To get this done, first we will see how injection functions, then, what are the different problems that can exist on a Renault Scenic injectors , and at last, how to resolve them.

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What is the purpose of the injection of a Renault Scenic?

So we commence our content page by promptly explaining how an injection system functions so that you have all the information you need to understand the failures connected with it. < br>
The injection system of a Renault Scenic controls 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 Renault Scenic. 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 Renault Scenic?

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

Injection pump complications Renault Scenic

To start, we will see the injection pump complications on your Renault Scenic, there are not many of them, they are quite 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 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 Renault Scenic.
  • Leakage from the injection pump of your Renault Scenic: If you have a significant 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 manifestations of a fuel pump issue on a Renault Scenic , you will certainly feel, a lack of power, your engine unit grazing, dark smoke emissions…

Injectors complications Renault Scenic

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

  • Dirty Renault Scenic 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 probably have one or more cylinders that are not working effectively.
  • Leaky Renault Scenic 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 Scenic 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 complications on your Renault Scenic 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 fix an injection issue on a Renault Scenic?

To end our content on the injection complications on Renault Scenic , we will try to give you the solutions that exist to resolve these complications.
If after a precise analysis it’s your injection pump that is the cause of your complications, it will sadly be very difficult to intervene on the trouble without changing the part, this change quite 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.
Concerning a issue with an injector there are different solutions depending on your concerns, here they are:

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

If you want more guides on the Renault Scenic, go to our Renault Scenic category.