A new warning light on your dashboard? You don’t find out why it doesn’t switch off… It’s typical, a vehicle is complicated and there are many causes why a light might occur. In the event that your glow plug light comes on while driving your Audi Sq7, it may indicate different issues. In this post, we will do anything we can to support you see things more clearly. First, we will discover how the preheating light on your Audi Sq7 functions, and then the different explanations it lights up when you are driving

glow-plug-light-audi-sq7

What is the goal of my Audi Sq7 glow plug light?

The primary intent 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. Indeed, it must light up when you switch on your Audi Sq7 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. But, if it comes on while driving, it may reveal different failures, we will try to explain the main ones.

What to do if the glow plug light comes on while driving on my Audi Sq7?

A glow light that comes on while driving on your Audi Sq7 or at any other time other than when the engine is started is intended to notify you to a fault other than your spark plugs, we will look at this now. In any case, connecting your vehicle to the diagnostic tool will allow you to carefully translate the explanation for the light up of your glow light.

My Audi Sq7 glow light comes on and I’m suffering from a loss of power

The first situation is that you detect that your glow plug light comes on while driving your Audi Sq7 and that you also experience a loss of power. In this case, different problems can explain its lightning. Here is a list of the main causes:

  • Trouble of EGR valve, in reality, if you suffer a loss of power, it is possible that your EGR valve is blocked, in this case, it is expected that your preheat light comes on while driving on Audi Sq7 because it is one of the issue of which it is intended to warn you. Have the status of your valve checked out
  • Issue linked to the turbo overflow valve, in this situation the ECU can no longer control the turbo intake pressure, which can lead to turbo boost and a disturbance in the operation of the turbo.
  • Issue in connection with the injection, either an injector that has seized up or the injection pump that is broken by filings or other possible foreign bodies that affect its proper performing.
  • Finally, the last trouble that could lead to a glow indicator light on your Audi Sq7 coupled with a loss of power, is that your fuel filter is too dirty, you should 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 Sq7

To finish , we’ll give you the explanations for a glow plug light that comes on on your Audi Sq7 without you feeling any difference in power or vehicle behaviour. In most cases, 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 solve 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 encourage you to go to your repair shop.
  • Faulty injection pressure sensor, ECU error

    • In the event that you have any further questions about the Audi Sq7, do not hesitate to consult our Audi Sq7 category.