Having a problem with your motor vehicle is traditional, because unfortunately recent vehicles are more and more complex and consequently subject to more and more possible breakdowns. On this page we’re going to try to help you to resolve an injection problem on your Citroen C4 Cactus . This is a problem that is particularly frustrating because it can sooner or later bring your car to non starting or broken engine. To achieve this, first we will find out how injection works, then, what are the different problems that can exist on a Citroen C4 Cactus injectors , and finally, how to resolve them.

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What is the aim of the injection of a Citroen C4 Cactus?

So we begin our article by quickly detailing how an injection system works so that you have all the information you need to understand the failures associated with it. < br>
The injection system of a Citroen C4 Cactus handles the fuel intake into the engine , it replaces the old carburettors. It has the benefit to be far 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 relieve the fuel in the form of micro-drops into the cylinders of your Citroen C4 Cactus. The benefit 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 problems on Citroen C4 Cactus?

Now in this second component, we are going to discover the different injection problems and their symptoms that you might confront on your Citroen C4 Cactus .

Injection pump problems Citroen C4 Cactus

To start, we will find out the injection pump problems on your Citroen C4 Cactus, there are not many of them, they are often persistent 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 may 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 of your Citroen C4 Cactus.
  • Leakage from the injection pump of your Citroen C4 Cactus: 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 symptoms of a fuel pump problem on a Citroen C4 Cactus , you will most certainly experience, a lack of power, your engine grazing, dark smoke emissions…

Injectors problems Citroen C4 Cactus

Now we proceed to the injector problems on Citroen C4 Cactus . Injectors represent the end of your injection system, here are the different problems you might encounter:

  • Dirty Citroen C4 Cactus injectors: This can happen as a result of poor fuel quality, they will let less fuel through or more if they are entirely clogged. So you will possibly have one or more cylinders that are not functioning properly.
  • Leaky Citroen C4 Cactus injector: It’s often at the high pressure seals that an injector can leak, it can also, more rarely, be cracked or broken.
  • Injector Citroen C4 Cactus 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 symptoms of injector problems on your Citroen C4 Cactus 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 fix an injection problem on a Citroen C4 Cactus?

To conclude our content page on the injection problems on Citroen C4 Cactus , we will try to give you the solutions that exist to resolve these problems.
If after a precise investigation it’s your injection pump that is the cause of your problems, it will unfortunately be very complicated to intervene on the problem without changing the component, 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 several 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 Citroen C4 Cactus, do not hesitate to consult 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 consult our article on the injectors that leak on Citroen C4 Cactus, to have all the solutions available to you.
  • Injector HS: Finally, last remedy, your injector is broken or doesn’t work anymore, in general, the replacement of an injector costs around 500 euros labor included.

If perhaps you have any further questions about the Citroen C4 Cactus, do not hesitate to consult our Citroen C4 Cactus category.