A new light on your dashboard? You don’t figure out why it doesn’t switch off… It’s typical, an automobile is complicated and there are various motives why a light may occur. In cases where your glow plug light comes on while driving your Audi E-Tron, it may point out some concerns. 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 Audi E-Tron operates, and then the different reasons it lights up when you are driving

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What is the role of my Audi E-Tron glow plug light?

The main intent of the engine glow plug light, which is generally represented by a yellow coil, is to ensure that your glow plugs are working effectively. Indeed, it must light up when you switch on your Audi E-Tron 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 vehicle. Nevertheless, if it comes on while driving, it may indicate different failures, we will try to describe the main ones.

What to do if the glow plug light comes on while driving on my Audi E-Tron?

A glow light that comes on while driving on your Audi E-Tron or at any other time other than when the engine is started is meant to notify you to a problem other than your spark plugs, we will check out this now. Whatever the case, plug in your car to the diagnostic tool will allow you to precisely understand the cause for the light up of your glow light.

My Audi E-Tron glow light comes on and I’m suffering from a loss of power

The first situation is that you recognize that your glow plug light comes on while driving your Audi E-Tron and that you also knowledge a loss of power. In this instance, some trouble can explain its lightning. Here is a list of the main motives:

  • Problem of EGR valve, in reality, if you undergo a loss of power, it is possible that your EGR valve is clogged, in this case, it is rational that your preheat light comes on while driving on Audi E-Tron because it is one of the failures of which it is meant to notify you. Have the status of your valve tested
  • Problem related to 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.
  • Problem 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 affect its proper performance.
  • Finally, the last trouble that could lead to a glow indicator light on your Audi E-Tron coupled with a loss of power, is that your fuel filter is too dirty, you should come to feel 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 Audi E-Tron

To finish , we’ll give you the reasons for a glow plug light that comes on on your Audi E-Tron without you feeling any difference in power or vehicle behaviour. Ordinarily, this is an electronic problem:

  • Glow plug relays or fuses to be changed, 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 solve the trouble.
  • You have a false contact somewhere in your electrical circuit, check the other alternatives first because it is not easy to find it alone, we advise you to go to your repair shop.
  • Faulty injection pressure sensor, ECU error

    • To get more tips on the Audi E-Tron, take a look at the Audi E-Tron category.