A new warning light on your dashboard? You don’t find out why it doesn’t switch off… It’s typical, an automobile is complex and there are many reasons why a light might come on. In cases where your glow plug light comes on while driving your Volkswagen T-Cross, it may possibly reveal some 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 T-Cross functions, and then the different motives it lights up when you are driving

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What is the role of my Volkswagen T-Cross glow plug light?

The main role of the engine glow plug light, which is generally represented by a yellow coil, is to ensure that your glow plugs are working effectively. In reality, it must light up when you switch on your Volkswagen T-Cross 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 motor vehicle. However, if it comes on while driving, it may show different issues, we will try to detail the most important ones.

What to do if the glow plug light comes on while driving on my Volkswagen T-Cross?

A glow light that comes on while driving on your Volkswagen T-Cross or at any other time other than when the engine is started is meant to alert you to a problem other than your spark plugs, we will take a look at this right now. No matter the reason, a switch to the diagnostic tool will allow you to properly interpret the explanation for the light up of your glow light.

My Volkswagen T-Cross glow light comes on and I’m encountering a loss of power

The first possibility is that you notice that your glow plug light comes on while driving your Volkswagen T-Cross and that you also knowledge a loss of power. In this instance, some complications can describe its lightning. Here is a list of the most important reasons:

  • Problem of EGR valve, in reality, if you are affected 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 Volkswagen T-Cross because it is one of the problem of which it is expected to notify you. Have the status of your valve checked
  • Issue 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 perturbation in the operation of the turbo.
  • Issue linked 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 disrupt its proper function.
  • Finally, the last issue that could lead to a glow indicator light on your Volkswagen T-Cross 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 T-Cross

Finally, we’ll give you the motives for a glow plug light that comes on on your Volkswagen T-Cross without you feeling any difference in power or motor vehicle behaviour. Ordinarily, this is an electronic problem:

  • Glow plug relays or fuses to be swapped out, 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 solve the issue.
  • 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 recommend you to go to your mechanic.
  • Faulty injection pressure sensor, ECU error

    • Whenever you have any additional questions about the Volkswagen T-Cross, do not hesitate to consult our Volkswagen T-Cross category.