Having a problem with your motor vehicle is common, because unfortunately recent automobiles are more and more complex and consequently be subject to more and more possible breakdowns. On this page we’re going to try to help you to fix an injection problem on your Nissan Micra 4 . This is a problem that is specially frustrating because it can sooner or later bring your car to non starting or damaged engine unit. To get this done, first we will see how injection works, then, what are the different concerns that can exist on a Nissan Micra 4 injectors , and finally, how to fix them.

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What is the aim of the injection of a Nissan Micra 4?

So we start our content page by promptly detailing how an injection system works so that you have all the information you need to figure out the failures affiliated with it. < br>
The injection system of a Nissan Micra 4 manages the fuel intake into the engine unit , it replaces the old carburettors. It has the benefit 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 Nissan Micra 4. 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 complications on Nissan Micra 4?

Now in this second part, we are going to see the different injection complications and their symptoms that you might encounter on your Nissan Micra 4 .

Injection pump complications Nissan Micra 4

To begin, we will see the injection pump complications on your Nissan Micra 4, there are not many of them, they are generally chronic but we will detail 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 unit of your Nissan Micra 4.
  • Leakage from the injection pump of your Nissan Micra 4: If you have a major 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 symptoms of a fuel pump problem on a Nissan Micra 4 , you will certainly feel, a lack of power, your engine unit grazing, dark smoke emissions…

Injectors complications Nissan Micra 4

Now we move on to the injector problems on Nissan Micra 4 . Injectors represent the end of your injection system, here are the different complications you might encounter:

  • Dirty Nissan Micra 4 injectors: This can happen because of 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 functioning effectively.
  • Leaky Nissan Micra 4 injector: It’s generally at the high pressure seals that an injector can leak, it can also, more rarely, be cracked or broken.
  • Injector Nissan Micra 4 HS: This is the case 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 Nissan Micra 4 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 get rid of an injection problem on a Nissan Micra 4?

To conclude our article on the injection complications on Nissan Micra 4 , we will try to give you the solutions that exist to fix these complications.
If after a precise diagnosis it’s your injection pump that is the cause of your complications, it will unfortunately be very complicated to intervene on the trouble without changing the part, this change generally 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 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 Nissan Micra 4, do not be reluctant to seek advice from our content page 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 seek advice from our content page on the injectors that leak on Nissan Micra 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 Nissan Micra 4, go to our Nissan Micra 4 category.