Having a problem with your car is traditional, because regrettably recent automobiles are more and more complex and consequently be subject to more and more possible breakdowns. Today we’re going to try to help you to resolve an injection problem on your Kia Optima . This is a problem that is specially frustrating because it can sooner or later bring your vehicle to non starting or broken engine unit. To do this, first we will find out how injection functions, then, what are the different problems that can exist on a Kia Optima injectors , and at last, how to resolve them.

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What is the aim of the injection of a Kia Optima?

So we commence our article by promptly explaining how an injection system functions so that you have all the information you need to discover the failures associated with it. < br>
The injection system of a Kia Optima handles the fuel intake into the engine unit , it replaces the old carburettors. It has the benefit to be a lot more precise and to come, under pressure, to launch 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 Kia Optima. 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 Kia Optima?

Now in this second component, we are going to discover the different injection complications and their manifestations that you might come across on your Kia Optima .

Injection pump complications Kia Optima

To start, we will find out the injection pump complications on your Kia Optima, there are not many of them, they are often recurrent but we will detail them 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 Kia Optima.
  • Leakage from the injection pump of your Kia Optima: 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 results and manifestations of a fuel pump problem on a Kia Optima , you will undoubtedly experience, a lack of power, your engine unit grazing, dark smoke emissions…

Injectors complications Kia Optima

Now we proceed to the injector problems on Kia Optima . Injectors are the end of your injection system, here are the different complications you might encounter:

  • Dirty Kia Optima injectors: This can happen as a result 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 functioning effectively.
  • Leaky Kia Optima injector: It’s often at the high pressure seals that an injector can leak, it can also, more rarely, be cracked or broken.
  • Injector Kia Optima 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 signs of illness of injector complications on your Kia Optima 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 problem on a Kia Optima?

To conclude our article content on the injection complications on Kia Optima , we will try to give you the solutions that exist to resolve these complications.
If after a precise diagnosis it’s your injection pump that is the cause of your complications, it will regrettably be very complicated to intervene on the issue without replacing the component, this change 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 problem with an injector there are various solutions depending on your concerns, here they are:

  • Dirty injector: You can clean the injectors of your Kia Optima, do not hesitate to seek advice from our article 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 have the ability to change it, do not hesitate to seek advice from our article on the injectors that leak on Kia Optima, to have all the solutions available to you.
  • Injector HS: Finally, last remedy, your injector is damaged or doesn’t work anymore, in general, the replacement of an injector costs around 500 euros labor included.

Whenever you have any additional questions about the Kia Optima, do not hesitate to consult our Kia Optima category.