Having a problem with your car is basic, because regrettably recent vehicles are more and more difficult and consequently at the mercy of more and more possible breakdowns. Today we’re going to try to help you to solve an injection problem on your Renault Espace 4 . This is a problem that is specially bothersome because it can ultimately bring your vehicle to non starting or damaged engine unit. To get this done, first we will see how injection works, then, what are the different problems that can exist on a Renault Espace 4 injectors , and finally, how to solve them.

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What is the purpose of the injection of a Renault Espace 4?

So we commence our content page by promptly detailing how an injection system works so that you have all the info you need to understand the failures connected with it. < br>
The injection system of a Renault Espace 4 handles 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 release 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 Espace 4. 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 Espace 4?

Now in this second part, we are going to discover the different injection complications and their manifestations that you may face on your Renault Espace 4 .

Injection pump complications Renault Espace 4

To start, we will see the injection pump complications on your Renault Espace 4, there are not many of them, they are often recurrent but we will outline them down below:

  • Electronic problem of the high pressure pump: If you have an electronic problem, the pressure in your injection system might be too high or too low which will bring about a bad air/fuel mixture and consequently a bad combustion and thus alter the performance of the engine unit of your Renault Espace 4.
  • Leakage from the injection pump of your Renault Espace 4: If you have a significant leakage problem, the consequence 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 manifestations of a fuel pump problem on a Renault Espace 4 , you will obviously feel, a lack of power, your engine unit grazing, dark smoke emissions…

Injectors complications Renault Espace 4

Now we proceed to the injector problems on Renault Espace 4 . Injectors represent the end of your injection system, here are the different complications you may encounter:

  • Dirty Renault Espace 4 injectors: This can happen because 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 properly.
  • Leaky Renault Espace 4 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 Espace 4 HS: This is the circumstance 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 Espace 4 it is about the same as for a faulty injection pump. You may experience problems with starting, throttle response, power loss, and smoke emission.

How to get rid of an injection problem on a Renault Espace 4?

To finish our article on the injection complications on Renault Espace 4 , 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 regrettably be very difficult to intervene on the issue without replacing the part, this change often 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 some diagnostics and estimates before starting any repair.
Concerning a problem with an injector there are various solutions based on your concerns, here they are:

  • Dirty injector: You can clean the injectors of your Renault Espace 4, 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 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 page on the injectors that leak on Renault Espace 4, to have all the solutions available to you.
  • Injector HS: Finally, last solution, your injector is damaged or doesn’t work anymore, generally, the replacement of an injector costs around 500 euros labor included.

If you wish more guides on the Renault Espace 4, go to our Renault Espace 4 category.