Having a issue with your car is common, because regrettably recent vehicles are more and more complex and consequently be subject to more and more possible breakdowns. In this article we’re going to try to help you to resolve an injection problem on your Lexus GX . This is a issue that is especially irritating because it can sooner or later bring your vehicle to non starting or damaged engine unit. To do this, first we will find out how injection works, then, what are the different concerns that can exist on a Lexus GX injectors , and at last, how to resolve them.

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What is the intent of the injection of a Lexus GX?

So we commence our content page by quickly explaining how an injection system works so that you have all the info you need to understand the failure associated with it. < br>
The injection system of a Lexus GX manages 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 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 Lexus GX. The advantage of fuel injection is to have a much more precise dosage than a carburettor and to allow a better air/fuel mixture and consequently a better combustion.

What are the different injection problems on Lexus GX?

Now in this second part, we are going to see the different injection problems and their signs of illness that you may come across on your Lexus GX .

Injection pump problems Lexus GX

To commence, we will find out the injection pump problems on your Lexus GX, there are not many of them, they are quite often chronic but we will highlight them 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 cause a bad air/fuel mixture and consequently a bad combustion and thus alter the behavior of the engine unit of your Lexus GX.
  • Leakage from the injection pump of your Lexus GX: If you have a major leakage problem, the 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 signs of illness of a fuel pump issue on a Lexus GX , you will obviously feel, a lack of power, your engine unit grazing, dark smoke emissions…

Injectors problems Lexus GX

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

  • Dirty Lexus GX injectors: This can happen due to poor fuel quality, they will let less fuel through or more if they are totally clogged. So you will potentially have one or more cylinders that are not working properly.
  • Leaky Lexus GX 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 Lexus GX HS: This is the case when your injectors are totally clogged or when you have an electronic problem, it will not let anything go.

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

How to resolve an injection issue on a Lexus GX?

To finish our content on the injection problems on Lexus GX , 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 reason of your problems, it will regrettably be very complicated to intervene on the issue without replacing the part, this change quite 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 issue with an injector there are different solutions based on your concerns, here they are:

  • Dirty injector: You can clean the injectors of your Lexus GX, do not hesitate 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 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 content page on the injectors that leak on Lexus GX, 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.

If you wish more tutorials on the Lexus GX, go to our Lexus GX category.