Having a issue with your car is common, because unfortunately recent vehicles are more and more complex 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 Megane 4 . This is a issue that is especially annoying because it can sooner or later bring your vehicle to non starting or damaged engine. To get this done, first we will find out how injection functions, then, what are the different concerns that can exist on a Renault Megane 4 injectors , and at last, how to resolve them.

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What is the aim of the injection of a Renault Megane 4?

So we begin our article by quickly detailing how an injection system functions so that you have all the info you need to figure out the failure affiliated with it. < br>
The injection system of a Renault Megane 4 controls the fuel intake into the engine , it replaces the old carburettors. It has the benefit to be much more precise and to come, under pressure, to launch the fuel in the engine. 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 Renault Megane 4. The benefit 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 Megane 4?

Now in this second component, we are going to see the different injection complications and their symptoms that you might encounter on your Renault Megane 4 .

Injection pump complications Renault Megane 4

To commence, we will find out the injection pump complications on your Renault Megane 4, there are not many of them, they are generally frequent but we will outline 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 of your Renault Megane 4.
  • Leakage from the injection pump of your Renault Megane 4: 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 consequences and symptoms of a fuel pump issue on a Renault Megane 4 , you will obviously feel, a lack of power, your engine grazing, dark smoke emissions…

Injectors complications Renault Megane 4

Now we move on to the injector problems on Renault Megane 4 . Injectors are the end of your injection system, here are the different complications you might encounter:

  • Dirty Renault Megane 4 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 possibly have one or more cylinders that are not working effectively.
  • Leaky Renault Megane 4 injector: It’s generally at the high pressure seals that an injector can leak, it can also, more rarely, be cracked or broken.
  • Injector Renault Megane 4 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 Renault Megane 4 it is about the same as for a faulty injection pump. You might encounter problems with starting, throttle response, power loss, and smoke emission.

How to solve an injection issue on a Renault Megane 4?

To end our content page on the injection complications on Renault Megane 4 , we will try to give you the solutions that exist to resolve these complications.
If after a precise investigation it’s your injection pump that is the source of your complications, it will unfortunately be very difficult to intervene on the trouble without changing the component, this change generally goes with the replacement of the injectors, and sometimes 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 various solutions based on your concerns, here they are:

  • Dirty injector: You can clean the injectors of your Renault Megane 4, do not be reluctant to seek advice from our article on this subject to get the procedure. If it doesn’t work, you will have to replace them.
  • Leaky injector: The change and the purchase of a joint kit will only cost you a few tens of euros, but you still need to be able to change it, do not hesitate to seek advice from our article on the injectors that leak on Renault Megane 4, to have all the solutions available to you.
  • Injector HS: Finally, last remedy, your injector is broken or doesn’t work anymore, generally, the replacement of an injector costs around 500 euros labor included.

If perhaps you have any further questions about the Renault Megane 4, do not hesitate to consult our Renault Megane 4 category.