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. On this page we’re going to try to help you to solve an injection problem on your Citroen C4 . This is a issue that is especially frustrating because it can ultimately bring your car to non starting or broken engine. To get this done, first we will see how injection works, then, what are the different concerns that can exist on a Citroen C4 injectors , and finally, how to solve them.

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What is the intent of the injection of a Citroen C4?

So we begin our article by quickly explaining how an injection system works so that you have all the info you need to figure out the failure associated with it. < br>
The injection system of a Citroen C4 controls the fuel intake into the engine , 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. 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 Citroen C4. 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 Citroen C4?

Now in this second part, we are going to see the different injection complications and their signs of illness that you may possibly face on your Citroen C4 .

Injection pump complications Citroen C4

To commence, we will see the injection pump complications on your Citroen C4, there are not many of them, they are quite often persistent but we will detail them down below:

  • Electronic issue of the high pressure pump: If you have an electronic issue, the pressure in your injection system might be too high or too low which will cause a bad air/fuel mixture and consequently a bad combustion and thus alter the behavior of the engine of your Citroen C4.
  • Leakage from the injection pump of your Citroen C4: 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 signs of illness of a fuel pump issue on a Citroen C4 , you will certainly feel, a lack of power, your engine grazing, dark smoke emissions…

Injectors complications Citroen C4

Now we move on to the injector problems on Citroen C4 . Injectors are the end of your injection system, here are the different complications you may possibly encounter:

  • Dirty Citroen C4 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 potentially have one or more cylinders that are not working properly.
  • Leaky Citroen C4 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 Citroen C4 HS: This is the circumstance when your injectors are totally clogged or when you have an electronic problem, it will not let anything go.

Concerning the symptoms of injector complications on your Citroen C4 it is about the same as for a faulty injection pump. You may possibly experience problems with starting, throttle response, power loss, and smoke emission.

How to solve an injection issue on a Citroen C4?

To conclude our article content on the injection complications on Citroen C4 , we will try to give you the solutions that exist to solve these complications.
If after a precise investigation it’s your injection pump that is the source 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 in some cases 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 issue with an injector there are different solutions based on your concerns, here they are:

  • Dirty injector: You can clean the injectors of your Citroen C4, do not think twice to seek advice from our article on this subject to get the procedure. 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 article on the injectors that leak on Citroen C4, 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 Citroen C4, go to our Citroen C4 category.