A new light on your dashboard? You don’t find out why it doesn’t shut off… It’s typical, a car is complicated and there are multiple factors why a light might occur. If your glow plug light comes on while driving your Volkswagen Scirocco, it may possibly show several things. In the following paragraphs, we will do anything we can to support you see things more clearly. First, we will discover how the preheating light on your Volkswagen Scirocco functions, and then the different reasons it lights up when you are driving

glow-plug-light-volkswagen-scirocco

What is the role of my Volkswagen Scirocco glow plug light?

The primary intent of the engine glow plug light, which is in most cases symbolized 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 Volkswagen Scirocco 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 turns on while driving, it may show several failures, we will try to detail the main ones.

What to do if the glow plug light comes on while driving on my Volkswagen Scirocco?

A glow light that comes on while driving on your Volkswagen Scirocco or at any other time other than when the engine is started is meant to inform you to a problem other than your spark plugs, we will check out this right now. In any case, a switch to the diagnostic tool will allow you to accurately interpret the cause for the light up of your glow light.

My Volkswagen Scirocco glow light comes on and I’m encountering a loss of power

The first situation is that you perceive that your glow plug light comes on while driving your Volkswagen Scirocco and that you also knowledge a loss of power. In this instance, several complications can explain its lightning. Here is a list of the main factors:

  • Trouble of EGR valve, in reality, if you are affected a loss of power, it is possible that your EGR valve is clogged, in this instance, it is obvious that your preheat light comes on while driving on Volkswagen Scirocco because it is one of the problem of which it is meant to alert you. Have the status of your valve inspected
  • Trouble 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 disturbance in the performance of the turbo.
  • Trouble 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 disrupt its proper operation.
  • Finally, the last trouble that could lead to a glow indicator light on your Volkswagen Scirocco 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 Volkswagen Scirocco

To finish , we’ll give you the reasons for a glow plug light that comes on on your Volkswagen Scirocco 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 get rid of the trouble.
  • You have a false contact somewhere in your electrical circuit, test out the other alternatives 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
  • To find more tips on the Volkswagen Scirocco, take a look at the Volkswagen Scirocco category.