A new warning light on your dashboard? You don’t find out why it doesn’t switch off… It’s typical, a vehicle is elaborate and there are various causes why a light may occur. In cases where your glow plug light comes on while driving your Tesla Model Y, it may indicate several issues. 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 Tesla Model Y works, and then the different motives it lights up when you are driving

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What is the goal of my Tesla Model Y 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 guarantee that your glow plugs are working properly. In fact, it must light up when you switch on your Tesla Model Y 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 automobile. However, if it comes on while driving, it may suggest multiple failures, we will try to explain the most important ones.

What to do if the glow plug light comes on while driving on my Tesla Model Y?

A glow light that comes on while driving on your Tesla Model Y or at any other time other than when the engine is started is meant to inform you to a fault other than your spark plugs, we will take a look at this right now. No matter the reason, plug in your car to the diagnostic tool will allow you to accurately interpret the cause for the light up of your glow light.

My Tesla Model Y glow light comes on and I’m going through a loss of power

The first situation is that you identify that your glow plug light comes on while driving your Tesla Model Y and that you also experience a loss of power. In this instance, several trouble can describe its lightning. Here is a list of the most important causes:

  • Trouble of EGR valve, indeed, if you go through a loss of power, it is possible that your EGR valve is blocked, in this case, it is rational that your preheat light comes on while driving on Tesla Model Y because it is one of the problem of which it is intended to notify you. Have the status of your valve checked
  • Problem associated with the turbo overflow valve, in this situation the ECU can no longer manage the turbo intake pressure, which can lead to turbo boost and a disturbance in the operation of the turbo.
  • Problem 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 affect its proper performance.
  • Finally, the last issue that could lead to a glow indicator light on your Tesla Model Y 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 Tesla Model Y

To finish , we’ll give you the motives for a glow plug light that comes on on your Tesla Model Y without you feeling any difference in power or automobile behaviour. Ordinarily, this is an electronic fault:

  • Glow plug relays or fuses to be changed, 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 issue.
  • You have a false contact somewhere in your electrical circuit, check 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 Tesla Model Y, take a look at the Tesla Model Y category.