A new warning light on your dashboard? You don’t figure out why it doesn’t shut off… It’s typical, an auto is elaborate and there are many factors why a light might occur. If your glow plug light comes on while driving your Volkswagen Crafter 2, it may possibly indicate some issues. In this article, we will do anything we can to help you see things more clearly. First, we will find out how the preheating light on your Volkswagen Crafter 2 functions, and then the different causes it lights up when you are driving

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What is the role of my Volkswagen Crafter 2 glow plug light?

The primary purpose of the engine glow plug light, which is generally 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 Volkswagen Crafter 2 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 expected to stay or come on while driving with your automobile. But, if it turns on while driving, it may show multiple troubles, we will try to explain the most important ones.

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

A glow light that comes on while driving on your Volkswagen Crafter 2 or at any other time other than when the engine is started is designed to alert you to a fault other than your spark plugs, we will check out this 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 Crafter 2 glow light comes on and I’m having a loss of power

The first probability is that you identify that your glow plug light comes on while driving your Volkswagen Crafter 2 and that you also knowledge a loss of power. In such a case, some complications can explain its presence. Here is a list of the most important factors:

  • Issue of EGR valve, in reality, if you go through 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 Volkswagen Crafter 2 because it is one of the problem of which it is expected to warn you. Have the status of your valve tested
  • Trouble related 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 perturbation in the operation of the turbo.
  • Trouble linked to the injection, either an injector that has seized up or the injection pump that is broken by filings or other possible foreign bodies that affect its proper performing.
  • Finally, the last issue that could lead to a glow indicator light on your Volkswagen Crafter 2 coupled with a loss of power, is that your fuel filter is too dirty, you should experience 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 Crafter 2

To conclude, we’ll give you the causes for a glow plug light that comes on on your Volkswagen Crafter 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 resolve the issue.
  • You have a false contact somewhere in your electrical circuit, check the other options first because it is not easy to find it alone, we advise you to go to your auto technician.
  • Faulty injection pressure sensor, ECU error

    • To get more tips on the Volkswagen Crafter 2, take a look at the Volkswagen Crafter 2 category.