Having a problem with your motor vehicle is common, because unfortunately recent vehicles are more and more complex and therefore be subject to more and more possible breakdowns. On this page we’re going to try to help you to resolve an injection problem on your Land Rover LR4 . This is a problem that is especially frustrating because it can ultimately bring your vehicle to non starting or broken engine. To achieve this, first we will find out how injection functions, then, what are the different problems that can exist on a Land Rover LR4 injectors , and finally, how to resolve them.

injection-problem-land-rover-lr4

What is the purpose of the injection of a Land Rover LR4?

So we start our content by quickly explaining how an injection system functions so that you have all the information you need to understand the failure affiliated with it. < br>
The injection system of a Land Rover LR4 manages the fuel intake into the engine , it replaces the old carburettors. It has the advantage to be far more precise and to come, under pressure, to discharge the fuel in the engine. 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 Land Rover LR4. 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 therefore a better combustion.

What are the different injection problems on Land Rover LR4?

Now in this second component, we are going to see the different injection problems and their symptoms that you may possibly face on your Land Rover LR4 .

Injection pump problems Land Rover LR4

To begin, we will find out the injection pump problems on your Land Rover LR4, there are not many of them, they are generally persistent but we will detail 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 cause a bad air/fuel mixture and therefore a bad combustion and thus alter the behavior of the engine of your Land Rover LR4.
  • Leakage from the injection pump of your Land Rover LR4: 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 therefore the combustion of your fuel will not be good

.
Concerning the results and symptoms of a fuel pump problem on a Land Rover LR4 , you will certainly feel, a lack of power, your engine grazing, dark smoke emissions…

Injectors problems Land Rover LR4

Now we move on to the injector problems on Land Rover LR4 . Injectors represent the end of your injection system, here are the different problems you may possibly encounter:

  • Dirty Land Rover LR4 injectors: This can happen as a result of 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 working effectively.
  • Leaky Land Rover LR4 injector: It’s generally at the high pressure seals that an injector can leak, it can also, more rarely, be cracked or broken.
  • Injector Land Rover LR4 HS: This is the circumstance when your injectors are entirely clogged or when you have an electronic problem, it will not let anything go.

Regarding the symptoms of injector problems on your Land Rover LR4 it is about the same as for a defective injection pump. You may possibly experience problems with starting, throttle response, power loss, and smoke emission.

How to resolve an injection problem on a Land Rover LR4?

To finish our content on the injection problems on Land Rover LR4 , 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 cause of your problems, it will unfortunately be very complicated to intervene on the problem without replacing the component, this change generally 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 several diagnostics and estimates before starting any repair.
Concerning a problem with an injector there are various solutions based on your concerns, here they are:

  • Dirty injector: You can clean the injectors of your Land Rover LR4, do not be reluctant to consult our content on this subject to get the procedure. 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 have the ability to replace it, do not hesitate to consult our content on the injectors that leak on Land Rover LR4, 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.

Whenever you have any additional questions about the Land Rover LR4, do not hesitate to consult our Land Rover LR4 category.