Having a problem with your motor vehicle is common, because unfortunately recent automobiles are more and more difficult and therefore exposed to more and more possible breakdowns. Today we’re going to try to help you to solve an injection problem on your Subaru Forester . This is a problem that is specially irritating because it can sooner or later bring your vehicle to non starting or broken engine. To do this, first we will see how injection works, then, what are the different concerns that can exist on a Subaru Forester injectors , and at last, how to solve them.

injection-problem-subaru-forester

What is the aim of the injection of a Subaru Forester?

So we begin our article by quickly detailing how an injection system works so that you have all the info you need to understand the failures associated with it. < br>
The injection system of a Subaru Forester controls the fuel intake into the engine , it replaces the old carburettors. It has the advantage to be much 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 release the fuel in the form of micro-drops into the cylinders of your Subaru Forester. 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 therefore a better combustion.

What are the different injection complications on Subaru Forester?

Now in this second part, we are going to see the different injection complications and their manifestations that you may come across on your Subaru Forester .

Injection pump complications Subaru Forester

To begin, we will see the injection pump complications on your Subaru Forester, there are not many of them, they are often chronic 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 trigger a bad air/fuel mixture and therefore a bad combustion and thus alter the performance of the engine of your Subaru Forester.
  • Leakage from the injection pump of your Subaru Forester: 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 therefore the combustion of your fuel will not be good

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Concerning the outcomes and manifestations of a fuel pump problem on a Subaru Forester , you will obviously feel, a lack of power, your engine grazing, dark smoke emissions…

Injectors complications Subaru Forester

Now we proceed to the injector problems on Subaru Forester . Injectors represent the end of your injection system, here are the different complications you may encounter:

  • Dirty Subaru Forester 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 possibly have one or more cylinders that are not working effectively.
  • Leaky Subaru Forester injector: It’s often at the high pressure seals that an injector can leak, it can also, more rarely, be cracked or broken.
  • Injector Subaru Forester HS: This is the circumstance when your injectors are completely clogged or when you have an electronic problem, it will not let anything go.

Concerning the symptoms of injector complications on your Subaru Forester it is about the same as for a defective injection pump. You may encounter problems with starting, throttle response, power loss, and smoke emission.

How to solve an injection problem on a Subaru Forester?

To end our content on the injection complications on Subaru Forester , we will try to give you the solutions that exist to solve these complications.
If after a precise investigation it’s your injection pump that is the source of your complications, it will unfortunately be very complicated to intervene on the trouble 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 problem with an injector there are different solutions depending on your concerns, here they are:

  • Dirty injector: You can clean the injectors of your Subaru Forester, do not think twice to seek advice from our article on this subject to get the process. 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 hesitate to seek advice from our article on the injectors that leak on Subaru Forester, to have all the solutions available to you.
  • Injector HS: Finally, last remedy, your injector is broken or doesn’t work anymore, generally, the replacement of an injector costs around 500 euros labor included.

If you have any additional questions about the Subaru Forester, do not hesitate to consult our Subaru Forester category.