A new light on your dashboard? You don’t find out why it doesn’t turn off… It’s typical, an auto is complicated and there are various motives why a light may occur. In the event that your glow plug light comes on while driving your Toyota Land Cruiser Serie 70, it may reveal several things. In the following paragraphs, we will do everything we can to help you see things more clearly. First, we will discover how the preheating light on your Toyota Land Cruiser Serie 70 functions, and then the different explanations it lights up when you are driving

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What is the role of my Toyota Land Cruiser Serie 70 glow plug light?

The primary role of the engine glow plug light, which is most of the time represented by a yellow coil, is to make sure that your glow plugs are working properly. Indeed, it must light up when you switch on your Toyota Land Cruiser Serie 70 to tell you that they are heating the intake air in your cylinders and must go out after a few minutes when the engine is running. This preheat light is therefore not expected to stay or come on while driving with your automobile. Nevertheless, if it turns on while driving, it may indicate different issues, we will try to explain the main ones.

What to do if the glow plug light comes on while driving on my Toyota Land Cruiser Serie 70?

A glow light that comes on while driving on your Toyota Land Cruiser Serie 70 or at any other time other than when the engine is started is designed to inform you to a problem other than your spark plugs, we will check out this right now. No matter the reason, plug in your car to the diagnostic tool will allow you to precisely understand the reason for the light up of your glow light.

My Toyota Land Cruiser Serie 70 glow light comes on and I’m experiencing a loss of power

The first possibility is that you recognize that your glow plug light comes on while driving your Toyota Land Cruiser Serie 70 and that you also knowledge a loss of power. In this case, several complications can explain its presence. Here is a list of the main motives:

  • Problem of EGR valve, indeed, if you undergo a loss of power, it is possible that your EGR valve is blocked, in such a case, it is logical that your preheat light comes on while driving on Toyota Land Cruiser Serie 70 because it is one of the problem of which it is meant to warn you. Have the status of your valve checked out
  • Trouble related to 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 perturbation in the performance of the turbo.
  • Trouble in connection with the injection, either an injector that has seized up or the injection pump that is malfunctioned by filings or other possible foreign bodies that disrupt its proper performance.
  • Finally, the last trouble that could lead to a glow indicator light on your Toyota Land Cruiser Serie 70 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 Toyota Land Cruiser Serie 70

Finally, we’ll give you the explanations for a glow plug light that comes on on your Toyota Land Cruiser Serie 70 without you feeling any difference in power or automobile behaviour. Generally, this is an electronic problem:

  • Glow plug relays or fuses to be replaced, test and change 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 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

    • To find more tips on the Toyota Land Cruiser Serie 70, take a look at the Toyota Land Cruiser Serie 70 category.