Having a issue with your motor vehicle is basic, because unfortunately recent vehicles are more and more difficult and consequently subject to more and more possible breakdowns. Today we’re going to try to help you to solve an injection problem on your Citroen C4 Aircross . This is a issue that is particularly bothersome because it can ultimately bring your vehicle to non starting or damaged engine. To do this, first we will see how injection functions, then, what are the different problems that can exist on a Citroen C4 Aircross injectors , and finally, how to solve them.

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

So we start our article by promptly explaining how an injection system functions so that you have all the info you need to discover the failure connected with it. < br>
The injection system of a Citroen C4 Aircross controls 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 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 relieve the fuel in the form of micro-drops into the cylinders of your Citroen C4 Aircross. 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 Aircross?

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

Injection pump problems Citroen C4 Aircross

To commence, we will see the injection pump problems on your Citroen C4 Aircross, there are not many of them, they are often recurrent 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 trigger a bad air/fuel mixture and consequently a bad combustion and thus alter the behavior of the engine of your Citroen C4 Aircross.
  • Leakage from the injection pump of your Citroen C4 Aircross: If you have a significant 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 consequently the combustion of your fuel will not be good

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Concerning the outcomes and symptoms of a fuel pump issue on a Citroen C4 Aircross , you will certainly feel, a lack of power, your engine grazing, dark smoke emissions…

Injectors problems Citroen C4 Aircross

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

  • Dirty Citroen C4 Aircross 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 probably have one or more cylinders that are not working properly.
  • Leaky Citroen C4 Aircross 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 Aircross 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 signs of illness of injector problems on your Citroen C4 Aircross it is about the same as for a defective injection pump. You might experience problems with starting, throttle response, power loss, and smoke emission.

How to solve an injection issue on a Citroen C4 Aircross?

To conclude our content page on the injection problems on Citroen C4 Aircross , we will try to give you the solutions that exist to solve these problems.
If after a precise diagnosis it’s your injection pump that is the main cause of your problems, it will unfortunately be very complicated to intervene on the problem without changing the part, this change often goes with the replacement of the injectors, and occasionally 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 different solutions based on your concerns, here they are:

  • Dirty injector: You can clean the injectors of your Citroen C4 Aircross, do not hesitate to consult our article on this subject to get the procedure. 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 consult our article on the injectors that leak on Citroen C4 Aircross, to have all the solutions available to you.
  • Injector HS: Finally, last remedy, your injector is broken or doesn’t work anymore, generally speaking, the replacement of an injector costs around 500 euros labor included.

If you need more tutorials on the Citroen C4 Aircross, go to our Citroen C4 Aircross category.