Having a issue with your motor vehicle is basic, because sadly recent vehicles are more and more difficult and consequently exposed to more and more possible breakdowns. In this article we’re going to try to help you to resolve an injection problem on your Scion xB . This is a issue that is specially frustrating because it can sooner or later bring your car to non starting or damaged engine unit. To do this, first we will discover how injection functions, then, what are the different problems that can exist on a Scion xB injectors , and finally, how to resolve them.

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What is the intent of the injection of a Scion xB?

So we start our content page by promptly explaining how an injection system functions so that you have all the info you need to discover the failure associated with it. < br>
The injection system of a Scion xB controls the fuel intake into the engine unit , it replaces the old carburettors. It has the advantage to be far 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 discharge the fuel in the form of micro-drops into the cylinders of your Scion xB. 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 problems on Scion xB?

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

Injection pump problems Scion xB

To start, we will discover the injection pump problems on your Scion xB, there are not many of them, they are quite often chronic 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 trigger a bad air/fuel mixture and consequently a bad combustion and thus alter the performance of the engine unit of your Scion xB.
  • Leakage from the injection pump of your Scion xB: 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 Scion xB , you will most certainly experience, a lack of power, your engine unit grazing, dark smoke emissions…

Injectors problems Scion xB

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

  • Dirty Scion xB 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 potentially have one or more cylinders that are not functioning effectively.
  • Leaky Scion xB 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 Scion xB HS: This is the case when your injectors are completely clogged or when you have an electronic problem, it will not let anything go.

Concerning the symptoms of injector problems on your Scion xB it is about the same as for a faulty injection pump. You might experience problems with starting, throttle response, power loss, and smoke emission.

How to fix an injection issue on a Scion xB?

To conclude our article on the injection problems on Scion xB , 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 main cause of your problems, it will sadly be very complicated to intervene on the problem without replacing 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 several diagnostics and estimates before starting any repair.
Concerning a issue with an injector there are various solutions based on your concerns, here they are:

  • Dirty injector: You can clean the injectors of your Scion xB, 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 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 page on the injectors that leak on Scion xB, to have all the solutions available to you.
  • Injector HS: Finally, last solution, your injector is broken or doesn’t work anymore, generally, the replacement of an injector costs around 500 euros labor included.

In the event that you have any additional questions about the Scion xB, do not hesitate to consult our Scion xB category.