A new warning light on your dashboard? You don’t figure out why it doesn’t turn off… It’s normal, an automobile is complicated and there are various motives why a light could occur. In the event that your glow plug light comes on while driving your Audi Rs6, it might signal some concerns. In the following paragraphs, we will do everything we can to help you see things more clearly. First, we will find out how the preheating light on your Audi Rs6 works, and then the different reasons it lights up when you are driving

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What is the purpose of my Audi Rs6 glow plug light?

The primary purpose 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 fact, it must light up when you switch on your Audi Rs6 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 car. However, if it turns on while driving, it may indicate different issues, we will try to point out the main ones.

What to do if the glow plug light comes on while driving on my Audi Rs6?

A glow light that comes on while driving on your Audi Rs6 or at any other time other than when the engine is started is meant to alert you to a fault other than your spark plugs, we will check out this now. Whatever the case, a switch to the diagnostic tool will allow you to accurately understand the motive for the light up of your glow light.

My Audi Rs6 glow light comes on and I’m suffering from a loss of power

The first possibility is that you perceive that your glow plug light comes on while driving your Audi Rs6 and that you also knowledge a loss of power. In this instance, some problems can describe its presence. Here is a list of the main motives:

  • Trouble of EGR valve, in fact, if you go through 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 Audi Rs6 because it is one of the failures of which it is expected to warn you. Have the status of your valve inspected
  • 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 disturbance 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 disturb its proper functioning.
  • Finally, the last issue that could lead to a glow indicator light on your Audi Rs6 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 Audi Rs6

Finally, we’ll give you the reasons for a glow plug light that comes on on your Audi Rs6 without you feeling any difference in power or car behaviour. Ordinarily, this is an electronic fault:

  • Glow plug relays or fuses to be swapped out, 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 solve the issue.
  • 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 encourage you to go to your mechanic.
  • Faulty injection pressure sensor, ECU error

    • If you wish more tutorials on the Audi Rs6, go to our Audi Rs6 category.