A new warning light on your dashboard? You don’t understand why it doesn’t switch off… It’s normal, an automobile is elaborate and there are multiple causes why a light might occur. In cases where your glow plug light comes on while driving your skoda octavia, it may signal several issues. In this post, we will do anything we can to help you see things more clearly. First, we will discover how the preheating light on your skoda octavia works, and then the different explanations it lights up when you are driving

glow-plug-light-skoda-octavia

What is the role of my skoda octavia glow plug light?

The main role of the engine glow plug light, which is in most cases symbolized by a yellow coil, is to assure that your glow plugs are working properly. In reality, it must light up when you switch on your skoda octavia to tell you that they are heating the intake air in your cylinders and must go out after a few minutes when the engine is running. This preheat light is therefore not supposed to stay or come on while driving with your automobile. Nevertheless, if it turns on while driving, it may suggest multiple failures, we will try to summarize the main ones.

What to do if the glow plug light comes on while driving on my skoda octavia?

A glow light that comes on while driving on your skoda octavia or at any other time other than when the engine is started is designed to notify you to a problem other than your spark plugs, we will take a look at this right now. In any case, connecting your vehicle to the diagnostic tool will allow you to carefully understand the cause for the light up of your glow light.

My skoda octavia glow light comes on and I’m experiencing a loss of power

The first probability is that you perceive that your glow plug light comes on while driving your skoda octavia and that you also experience a loss of power. In this case, several concerns can explain its presence. Here is a list of the main causes:

  • Issue of EGR valve, in reality, if you undergo a loss of power, it is possible that your EGR valve is clogged, in such a case, it is expected that your preheat light comes on while driving on skoda octavia because it is one of the problem of which it is expected to warn you. Have the status of your valve looked at
  • Issue associated with the turbo overflow valve, in this situation the ECU can no longer manage the turbo intake pressure, which can lead to turbo boost and a disturbance in the operation of the turbo.
  • Issue relevant to the injection, either an injector that has seized up or the injection pump that is destroyed 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 skoda octavia 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 skoda octavia

To finish , we’ll give you the explanations for a glow plug light that comes on on your skoda octavia without you feeling any difference in power or automobile behaviour. Ordinarily, this is an electronic problem:

  • Glow plug relays or fuses to be replaced, 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 suggest you to go to your mechanic.
  • Faulty injection pressure sensor, ECU error

    • If you need more tutorials on the skoda octavia, go to our skoda octavia category.