Having a issue with your car is basic, because sadly recent automobiles are more and more difficult and therefore subject to more and more possible breakdowns. In this article we’re going to try to help you to solve an injection problem on your Renault Megane 3 . This is a issue that is especially bothersome because it can eventually bring your vehicle to non starting or broken engine unit. To achieve this, first we will find out how injection functions, then, what are the different concerns that can exist on a Renault Megane 3 injectors , and at last, how to solve them.
What is the intent of the injection of a Renault Megane 3?
So we start our content by quickly detailing how an injection system functions so that you have all the info you need to figure out the failure associated with it. < br>
The injection system of a Renault Megane 3 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 discharge 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 Megane 3. 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 therefore a better combustion.
What are the different injection complications on Renault Megane 3?
Now in this second part, we are going to discover the different injection complications and their signs of illness that you might encounter on your Renault Megane 3 .
Injection pump complications Renault Megane 3
To begin, we will find out the injection pump complications on your Renault Megane 3, there are not many of them, they are generally chronic 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 bring about a bad air/fuel mixture and therefore a bad combustion and thus alter the performance of the engine unit of your Renault Megane 3.
- Leakage from the injection pump of your Renault Megane 3: If you have a major 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 therefore the combustion of your fuel will not be good
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Concerning the results and signs of illness of a fuel pump issue on a Renault Megane 3 , you will most certainly experience, a lack of power, your engine unit grazing, dark smoke emissions…
Injectors complications Renault Megane 3
Now we proceed to the injector problems on Renault Megane 3 . Injectors are the end of your injection system, here are the different complications you might encounter:
- Dirty Renault Megane 3 injectors: This can happen due to poor fuel quality, they will let less fuel through or more if they are completely clogged. So you will possibly have one or more cylinders that are not functioning effectively.
- Leaky Renault Megane 3 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 3 HS: This is the circumstance when your injectors are completely clogged or when you have an electronic problem, it will not let anything go.
Regarding the symptoms of injector complications on your Renault Megane 3 it is about the same as for a defective 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 3?
To finish our content on the injection complications on Renault Megane 3 , we will try to give you the solutions that exist to solve these complications.
If after a precise analysis it’s your injection pump that is the cause of your complications, it will sadly be very complicated to intervene on the problem without replacing the part, this change generally 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 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 3, do not hesitate to consult our content 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 on the injectors that leak on Renault Megane 3, to have all the solutions available to you.
- Injector HS: Finally, last remedy, your injector is damaged or doesn’t work anymore, generally speaking, the replacement of an injector costs around 500 euros labor included.
Whenever you have any additional questions about the Renault Megane 3, do not hesitate to consult our Renault Megane 3 category.
