A new light on your dashboard? You don’t find out why it doesn’t turn off… It’s typical, a car is elaborate and there are multiple factors why a light may come on. In cases where your glow plug light comes on while driving your Skoda Karoq, it may possibly point out different problems. In the following paragraphs, we will do everything we can to help you see things more clearly. First, we will find out how the preheating light on your Skoda Karoq functions, and then the different motives it lights up when you are driving

glow-plug-light-skoda-karoq

What is the goal of my Skoda Karoq glow plug light?

The main goal of the engine glow plug light, which is in most cases represented by a yellow coil, is to guarantee that your glow plugs are working correctly. In fact, it must light up when you switch on your Skoda Karoq 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 vehicle. But, if it comes on while driving, it may reveal several failures, we will try to detail the most important ones.

What to do if the glow plug light comes on while driving on my Skoda Karoq?

A glow light that comes on while driving on your Skoda Karoq 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 take a look at this now. No matter the reason, connecting your vehicle to the diagnostic tool will allow you to precisely interpret the motive for the light up of your glow light.

My Skoda Karoq glow light comes on and I’m having a loss of power

The first probability is that you recognize that your glow plug light comes on while driving your Skoda Karoq and that you also encounter a loss of power. In such a case, different problems can explain its presence. Here is a list of the most important factors:

  • Trouble of EGR valve, in fact, if you are affected a loss of power, it is possible that your EGR valve is clogged, in this instance, it is logical that your preheat light comes on while driving on Skoda Karoq because it is one of the problem of which it is intended to notify you. Have the status of your valve inspected
  • Problem linked to the turbo overflow valve, in this situation the ECU can no longer manage the turbo intake pressure, which can result in turbo boost and a disturbance in the performance 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 disturb its proper functioning.
  • Finally, the last issue that could lead to a glow indicator light on your Skoda Karoq 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 Skoda Karoq

To conclude, we’ll give you the motives for a glow plug light that comes on on your Skoda Karoq 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 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 resolve the issue.
  • 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 advise you to go to your repair shop.
  • Faulty injection pressure sensor, ECU error

    • Whenever you have any further questions about the Skoda Karoq, do not hesitate to consult our Skoda Karoq category.