A new light on your dashboard? You don’t find out why it doesn’t turn off… It’s typical, an automobile is complex and there are various causes why a light might occur. If your glow plug light comes on while driving your Mazda 6, it may possibly signify several concerns. In this article, we will do anything we can to help you see things more clearly. First, we will discover how the preheating light on your Mazda 6 works, and then the different causes it lights up when you are driving

glow-plug-light-mazda-6

What is the role of my Mazda 6 glow plug light?

The main goal 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 correctly. In reality, it must light up when you switch on your Mazda 6 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 supposed to stay or come on while driving with your vehicle. Nevertheless, if it comes on while driving, it may reveal several issues, we will try to point out the most important ones.

What to do if the glow plug light comes on while driving on my Mazda 6?

A glow light that comes on while driving on your Mazda 6 or at any other time other than when the engine is started is meant to warn you to a problem other than your spark plugs, we will check out this right now. In any case, connecting your vehicle to the diagnostic tool will allow you to carefully interpret the explanation for the light up of your glow light.

My Mazda 6 glow light comes on and I’m having a loss of power

The first probability is that you perceive that your glow plug light comes on while driving your Mazda 6 and that you also knowledge a loss of power. In this case, several complications can explain its lightning. Here is a list of the most important causes:

  • Issue of EGR valve, in fact, if you undergo a loss of power, it is possible that your EGR valve is blocked, in this instance, it is rational that your preheat light comes on while driving on Mazda 6 because it is one of the problem of which it is expected to warn 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 cause turbo boost and a perturbation in the operation of the turbo.
  • Trouble relevant to the injection, either an injector that has seized up or the injection pump that is destroyed by filings or other possible foreign bodies that affect its proper operation.
  • Finally, the last trouble that could lead to a glow indicator light on your Mazda 6 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 Mazda 6

To finish , we’ll give you the causes for a glow plug light that comes on on your Mazda 6 without you feeling any difference in power or vehicle behaviour. In general, 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 resolve the trouble.
  • You have a false contact somewhere in your electrical circuit, check the other solutions first because it is not easy to find it alone, we advise you to go to your technician.
  • Faulty injection pressure sensor, ECU error

    • If you have any additional questions about the Mazda 6, do not hesitate to consult our Mazda 6 category.