A new light on your dashboard? You don’t understand why it doesn’t switch off… It’s normal, a vehicle is elaborate and there are many factors why a light could occur. If your glow plug light comes on while driving your Volkswagen Golf 2, it may possibly signal different problems. In the following paragraphs, we will do everything we can to help you see things more clearly. First, we will discover how the preheating light on your Volkswagen Golf 2 works, and then the different motives it lights up when you are driving

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What is the goal of my Volkswagen Golf 2 glow plug light?

The main purpose of the engine glow plug light, which is generally symbolized by a yellow coil, is to make sure that your glow plugs are working effectively. Indeed, it must light up when you switch on your Volkswagen Golf 2 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 meant to stay or come on while driving with your automobile. However, if it turns on while driving, it may indicate different troubles, we will try to detail the main ones.

What to do if the glow plug light comes on while driving on my Volkswagen Golf 2?

A glow light that comes on while driving on your Volkswagen Golf 2 or at any other time other than when the engine is started is designed to inform you to a fault other than your spark plugs, we will look at this right now. Whatever the case, plug in your car to the diagnostic tool will allow you to properly understand the motive for the light up of your glow light.

My Volkswagen Golf 2 glow light comes on and I’m experiencing a loss of power

The first probability is that you identify that your glow plug light comes on while driving your Volkswagen Golf 2 and that you also experience a loss of power. In this case, different concerns can explain its lightning. Here is a list of the main factors:

  • Problem of EGR valve, in reality, if you go through a loss of power, it is possible that your EGR valve is blocked, in such a case, it is expected that your preheat light comes on while driving on Volkswagen Golf 2 because it is one of the failures of which it is intended to alert you. Have the status of your valve inspected
  • Problem linked to the turbo overflow valve, in this situation the ECU can no longer control the turbo intake pressure, which can cause turbo boost and a disturbance in the operation of the turbo.
  • Problem relevant to the injection, either an injector that has seized up or the injection pump that is damaged by filings or other possible foreign bodies that disturb its proper performing.
  • Finally, the last issue that could lead to a glow indicator light on your Volkswagen Golf 2 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 Golf 2

To conclude, we’ll give you the motives for a glow plug light that comes on on your Volkswagen Golf 2 without you feeling any difference in power or automobile behaviour. In general, this is an electronic fault:

  • Glow plug relays or fuses to be replaced, 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 fix the issue.
  • You have a false contact somewhere in your electrical circuit, test the other solutions 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 find more tips on the Volkswagen Golf 2, take a look at the Volkswagen Golf 2 category.