A new warning light on your dashboard? You don’t figure out why it doesn’t shut off… It’s typical, a vehicle is complicated and there are multiple causes why a light may come on. In the event that your glow plug light comes on while driving your Toyota Hilux 3, it may possibly show different 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 Toyota Hilux 3 works, and then the different causes it lights up when you are driving

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What is the role of my Toyota Hilux 3 glow plug light?

The main intent of the engine glow plug light, which is most of the time symbolized by a yellow coil, is to assure that your glow plugs are working effectively. In fact, it must light up when you switch on your Toyota Hilux 3 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 meant to stay or come on while driving with your automobile. Nevertheless, if it turns on while driving, it may indicate several failures, we will try to detail the most important ones.

What to do if the glow plug light comes on while driving on my Toyota Hilux 3?

A glow light that comes on while driving on your Toyota Hilux 3 or at any other time other than when the engine is started is meant to alert you to a fault other than your spark plugs, we will look at this now. No matter the reason, plug in your car to the diagnostic tool will allow you to carefully translate the explanation for the light up of your glow light.

My Toyota Hilux 3 glow light comes on and I’m experiencing a loss of power

The first probability is that you detect that your glow plug light comes on while driving your Toyota Hilux 3 and that you also encounter a loss of power. In this case, different concerns can demonstrate its presence. Here is a list of the most important causes:

  • Issue of EGR valve, in fact, if you suffer a loss of power, it is possible that your EGR valve is clogged, in this case, it is logical that your preheat light comes on while driving on Toyota Hilux 3 because it is one of the issue of which it is supposed to notify you. Have the status of your valve tested
  • Trouble related to the turbo overflow valve, in this situation the ECU can no longer manage the turbo intake pressure, which can bring about turbo boost and a perturbation in the performance of the turbo.
  • Trouble associated 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 operation.
  • Finally, the last issue that could lead to a glow indicator light on your Toyota Hilux 3 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 Toyota Hilux 3

To conclude, we’ll give you the causes for a glow plug light that comes on on your Toyota Hilux 3 without you feeling any difference in power or automobile behaviour. Ordinarily, this is an electronic fault:

  • Glow plug relays or fuses to be replaced, 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 issue.
  • You have a false contact somewhere in your electrical circuit, test the other options first because it is not easy to find it alone, we advise you to go to your auto mechanic.
  • Faulty injection pressure sensor, ECU error

    • To discover more tips on the Toyota Hilux 3, take a look at the Toyota Hilux 3 category.