A new light on your dashboard? You don’t figure out why it doesn’t shut off… It’s typical, an automobile is complex and there are various factors why a light might come on. If your glow plug light comes on while driving your Mazda Mx5, it may signify different things. In this post, we will do everything we can to support you see things more clearly. First, we will see how the preheating light on your Mazda Mx5 operates, and then the different explanations it lights up when you are driving

glow-plug-light-mazda-mx5

What is the goal of my Mazda Mx5 glow plug light?

The primary purpose of the engine glow plug light, which is most of the time symbolized by a yellow coil, is to guarantee that your glow plugs are working properly. In reality, it must light up when you switch on your Mazda Mx5 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 meant to stay or come on while driving with your automobile. But, if it comes on while driving, it may indicate multiple issues, we will try to explain the main ones.

What to do if the glow plug light comes on while driving on my Mazda Mx5?

A glow light that comes on while driving on your Mazda Mx5 or at any other time other than when the engine is started is designed to notify you to a problem other than your spark plugs, we will look at this now. In any case, a switch to the diagnostic tool will allow you to properly interpret the reason for the light up of your glow light.

My Mazda Mx5 glow light comes on and I’m going through a loss of power

The first probability is that you perceive that your glow plug light comes on while driving your Mazda Mx5 and that you also knowledge a loss of power. In this instance, different trouble can describe its lightning. Here is a list of the main factors:

  • Issue of EGR valve, in fact, if you undergo 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 Mazda Mx5 because it is one of the problem of which it is supposed to warn you. Have the status of your valve tested
  • Trouble 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 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 damaged by filings or other possible foreign bodies that affect its proper performance.
  • Finally, the last trouble that could lead to a glow indicator light on your Mazda Mx5 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 Mazda Mx5

To finish , we’ll give you the explanations for a glow plug light that comes on on your Mazda Mx5 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 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 resolve the trouble.
  • 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 recommend you to go to your auto technician.
  • Faulty injection pressure sensor, ECU error

    • If you have any additional questions about the Mazda Mx5, do not hesitate to consult our Mazda Mx5 category.