A new warning light on your dashboard? You don’t understand why it doesn’t turn off… It’s typical, a vehicle is elaborate and there are many factors why a light may come on. In cases where your glow plug light comes on while driving your Land Rover Range Rover, it might signal some issues. In this post, we will do anything we can to help you see things more clearly. First, we will find out how the preheating light on your Land Rover Range Rover operates, and then the different reasons it lights up when you are driving

glow-plug-light-land-rover-range-rover

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

The primary role of the engine glow plug light, which is generally represented by a yellow coil, is to ensure that your glow plugs are working effectively. In reality, it must light up when you switch on your Land Rover Range Rover 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 vehicle. But, if it comes on while driving, it may indicate multiple issues, we will try to explain the most important ones.

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

A glow light that comes on while driving on your Land Rover Range Rover or at any other time other than when the engine is started is intended to inform you to a problem other than your spark plugs, we will check out this right now. In any case, plug in your car to the diagnostic tool will allow you to carefully interpret the reason for the light up of your glow light.

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

The first probability is that you identify that your glow plug light comes on while driving your Land Rover Range Rover and that you also encounter a loss of power. In this instance, some complications can demonstrate its lightning. Here is a list of the most important factors:

  • Issue of EGR valve, in fact, if you go through a loss of power, it is possible that your EGR valve is clogged, in this instance, it is logical that your preheat light comes on while driving on Land Rover Range Rover because it is one of the issue of which it is expected to notify you. Have the status of your valve checked out
  • Problem associated with the turbo overflow valve, in this situation the ECU can no longer control the turbo intake pressure, which can result in turbo boost and a disturbance in the performance of the turbo.
  • Problem relevant to the injection, either an injector that has seized up or the injection pump that is damaged by filings or other possible foreign bodies that disrupt its proper functioning.
  • Finally, the last trouble that could lead to a glow indicator light on your Land Rover Range Rover coupled with a loss of power, is that your fuel filter is too dirty, you should experience 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

To conclude, we’ll give you the reasons for a glow plug light that comes on on your Land Rover Range Rover without you feeling any difference in power or vehicle behaviour. Generally, this is an electronic problem:

  • 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 get rid of the trouble.
  • You have a false contact somewhere in your electrical circuit, test out 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 want more guides on the Land Rover Range Rover, go to our Land Rover Range Rover category.