A new light on your dashboard? You don’t find out why it doesn’t turn off… It’s typical, an auto is elaborate and there are multiple reasons why a light may come on. In the event that your glow plug light comes on while driving your Land Rover Range Rover Sport, it may possibly indicate some issues. In this article, we will do everything we can to help you see things more clearly. First, we will discover how the preheating light on your Land Rover Range Rover Sport operates, and then the different causes it lights up when you are driving

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What is the role of my Land Rover Range Rover Sport glow plug light?

The main role of the engine glow plug light, which is generally symbolized by a yellow coil, is to make sure that your glow plugs are working properly. In reality, it must light up when you switch on your Land Rover Range Rover Sport to tell you that they are heating the intake air in your cylinders and must go out after a few moments when the engine is running. This preheat light is therefore not expected to stay or come on while driving with your motor vehicle. However, if it turns on while driving, it may reveal different failures, we will try to summarize the most important ones.

What to do if the glow plug light comes on while driving on my Land Rover Range Rover Sport?

A glow light that comes on while driving on your Land Rover Range Rover Sport or at any other time other than when the engine is started is designed to alert you to a fault other than your spark plugs, we will take a look at this right now. Whatever the case, a switch to the diagnostic tool will allow you to accurately translate the reason for the light up of your glow light.

My Land Rover Range Rover Sport glow light comes on and I’m encountering a loss of power

The first possibility is that you notice that your glow plug light comes on while driving your Land Rover Range Rover Sport and that you also knowledge a loss of power. In this case, some complications can demonstrate its lightning. Here is a list of the most important reasons:

  • Trouble of EGR valve, indeed, if you undergo a loss of power, it is possible that your EGR valve is clogged, in such a case, it is logical that your preheat light comes on while driving on Land Rover Range Rover Sport because it is one of the issue of which it is meant to alert you. Have the status of your valve checked out
  • Issue linked to the turbo overflow valve, in this situation the ECU can no longer control the turbo intake pressure, which can cause turbo boost and a disturbance in the operation of the turbo.
  • Issue in connection with the injection, either an injector that has seized up or the injection pump that is broken by filings or other possible foreign bodies that disrupt its proper performance.
  • Finally, the last issue that could lead to a glow indicator light on your Land Rover Range Rover Sport coupled with a loss of power, is that your fuel filter is too dirty, you should get jerks because of a bad fuel flow in the engine.

My glow plug light comes on or is flashing but no difference on the performance of my Land Rover Range Rover Sport

Finally, we’ll give you the causes for a glow plug light that comes on on your Land Rover Range Rover Sport without you feeling any difference in power or motor vehicle behaviour. In most cases, this is an electronic fault:

  • Glow plug relays or fuses to be changed, test and replace if necessary.
  • A contactor/potentiometer on one of your pedals (brake, accelerator or clutch) has failed, often a simple de-seizure will be enough to fix the issue.
  • You have a false contact somewhere in your electrical circuit, check the other options first because it is not easy to find it alone, we recommend you to go to your auto mechanic.
  • Faulty injection pressure sensor, ECU error

    • If you have any further questions about the Land Rover Range Rover Sport, do not hesitate to consult our Land Rover Range Rover Sport category.