A new light on your dashboard? You don’t find out why it doesn’t shut off… It’s normal, an auto is complex and there are various factors why a light could come on. In the event that your glow plug light comes on while driving your Audi A7, it may possibly indicate different things. In this article, we will do anything we can to help you see things more clearly. First, we will find out how the preheating light on your Audi A7 functions, and then the different causes it lights up when you are driving
What is the role of my Audi A7 glow plug light?
The main intent of the engine glow plug light, which is most of the time symbolized by a yellow coil, is to make sure that your glow plugs are working properly. Indeed, it must light up when you switch on your Audi A7 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. But, if it comes on while driving, it may suggest different failures, we will try to point out the main ones.
What to do if the glow plug light comes on while driving on my Audi A7?
A glow light that comes on while driving on your Audi A7 or at any other time other than when the engine is started is meant to notify you to a fault other than your spark plugs, we will take a look at this now. Whatever the case, plug in your car to the diagnostic tool will allow you to properly translate the explanation for the light up of your glow light.
My Audi A7 glow light comes on and I’m having a loss of power
The first situation is that you perceive that your glow plug light comes on while driving your Audi A7 and that you also encounter a loss of power. In this instance, different trouble can demonstrate its lightning. Here is a list of the main factors:
- Trouble of EGR valve, in fact, if you suffer a loss of power, it is possible that your EGR valve is clogged, in such a case, it is rational that your preheat light comes on while driving on Audi A7 because it is one of the issue of which it is expected to notify you. Have the status of your valve looked at
- Problem linked 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.
- Problem related 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 operation.
- Finally, the last issue that could lead to a glow indicator light on your Audi A7 coupled with a loss of power, is that your fuel filter is too dirty, you should get 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 A7
To conclude, we’ll give you the causes for a glow plug light that comes on on your Audi A7 without you feeling any difference in power or car behaviour. In general, this is an electronic fault:
To find more tips on the Audi A7, take a look at the Audi A7 category.