A new warning light on your dashboard? You don’t understand why it doesn’t switch off… It’s normal, a car is elaborate and there are various motives why a light might come on. In cases where your glow plug light comes on while driving your Toyota Matrix, it may possibly reveal several problems. In this article, we will do everything we can to support you see things more clearly. First, we will see how the preheating light on your Toyota Matrix functions, and then the different reasons it lights up when you are driving

glow-plug-light-toyota-matrix

What is the purpose of my Toyota Matrix glow plug light?

The main role of the engine glow plug light, which is in most cases symbolized by a yellow coil, is to assure that your glow plugs are working correctly. Indeed, it must light up when you switch on your Toyota Matrix 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 comes on while driving, it may suggest different 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 Matrix?

A glow light that comes on while driving on your Toyota Matrix or at any other time other than when the engine is started is intended to notify you to a problem other than your spark plugs, we will take a look at this right now. In any case, a switch to the diagnostic tool will allow you to accurately translate the motive for the light up of your glow light.

My Toyota Matrix glow light comes on and I’m having a loss of power

The first situation is that you recognize that your glow plug light comes on while driving your Toyota Matrix and that you also knowledge a loss of power. In such a case, several concerns can demonstrate its lightning. Here is a list of the most important motives:

  • Problem of EGR valve, in fact, if you are affected a loss of power, it is possible that your EGR valve is clogged, in this instance, it is rational that your preheat light comes on while driving on Toyota Matrix because it is one of the problem of which it is meant to notify you. Have the status of your valve examined
  • Trouble related to the turbo overflow valve, in this situation the ECU can no longer manage the turbo intake pressure, which can result in turbo boost and a perturbation in the performance of the turbo.
  • Trouble linked to the injection, either an injector that has seized up or the injection pump that is malfunctioned by filings or other possible foreign bodies that disturb its proper functioning.
  • Finally, the last issue that could lead to a glow indicator light on your Toyota Matrix coupled with a loss of power, is that your fuel filter is too dirty, you should encounter 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 Matrix

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

  • Glow plug relays or fuses to be swapped out, 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 resolve 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 encourage you to go to your repair shop.
  • Faulty injection pressure sensor, ECU error
  • To find more tips on the Toyota Matrix, take a look at the Toyota Matrix category.