Having a issue with your motor vehicle is traditional, because unfortunately recent automobiles are more and more difficult and consequently exposed to more and more possible breakdowns. Today we’re going to try to help you to resolve an injection problem on your Volvo S90 . This is a issue that is especially frustrating because it can eventually bring your vehicle to non starting or damaged engine unit. To achieve this, first we will find out how injection works, then, what are the different problems that can exist on a Volvo S90 injectors , and finally, how to resolve them.

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What is the purpose of the injection of a Volvo S90?

So we start our content by promptly explaining how an injection system works so that you have all the info you need to discover the failure affiliated with it. < br>
The injection system of a Volvo S90 controls the fuel intake into the engine unit , it replaces the old carburettors. It has the advantage to be much 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 Volvo S90. 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 Volvo S90?

Now in this second component, we are going to discover the different injection complications and their signs of illness that you might come across on your Volvo S90 .

Injection pump complications Volvo S90

To begin, we will find out the injection pump complications on your Volvo S90, there are not many of them, they are quite often chronic but we will detail them 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 cause a bad air/fuel mixture and consequently a bad combustion and thus alter the performance of the engine unit of your Volvo S90.
  • Leakage from the injection pump of your Volvo S90: 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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Regarding the results and signs of illness of a fuel pump issue on a Volvo S90 , you will obviously experience, a lack of power, your engine unit grazing, dark smoke emissions…

Injectors complications Volvo S90

Now we move on to the injector problems on Volvo S90 . Injectors represent the end of your injection system, here are the different complications you might encounter:

  • Dirty Volvo S90 injectors: This can happen due to 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 effectively.
  • Leaky Volvo S90 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 Volvo S90 HS: This is the case when your injectors are entirely clogged or when you have an electronic problem, it will not let anything go.

Regarding the symptoms of injector complications on your Volvo S90 it is about the same as for a faulty injection pump. You might encounter problems with starting, throttle response, power loss, and smoke emission.

How to fix an injection issue on a Volvo S90?

To conclude our content on the injection complications on Volvo S90 , we will try to give you the solutions that exist to resolve these complications.
If after a precise analysis it’s your injection pump that is the source of your complications, it will unfortunately be very difficult to intervene on the issue without replacing the component, this change quite 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.
Regarding 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 Volvo S90, do not be reluctant to seek advice from our content on this subject to get the procedure. If it doesn’t work, you will have to change them.
  • Leaky injector: The change and the purchase of a joint kit will only cost you a few tens of euros, but you still need to be able to change it, do not hesitate to seek advice from our content on the injectors that leak on Volvo S90, 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 tutorials on the Volvo S90, go to our Volvo S90 category.