A new light on your dashboard? You don’t understand why it doesn’t switch off… It’s normal, an automobile is complicated and there are many motives why a light might come on. If your glow plug light comes on while driving your Volkswagen Amarok, it may show different concerns. On this page, we will do everything we can to help you see things more clearly. First, we will see how the preheating light on your Volkswagen Amarok functions, and then the different motives it lights up when you are driving

glow-plug-light-volkswagen-amarok

What is the purpose of my Volkswagen Amarok glow plug light?

The main role of the engine glow plug light, which is most of the time represented by a yellow coil, is to ensure that your glow plugs are working properly. In reality, it must light up when you switch on your Volkswagen Amarok 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 car. However, if it comes on while driving, it may indicate multiple issues, we will try to describe the main ones.

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

A glow light that comes on while driving on your Volkswagen Amarok or at any other time other than when the engine is started is designed to warn you to a problem other than your spark plugs, we will check out this right now. Whatever the case, plug in your car to the diagnostic tool will allow you to properly interpret the cause for the light up of your glow light.

My Volkswagen Amarok glow light comes on and I’m having a loss of power

The first possibility is that you detect that your glow plug light comes on while driving your Volkswagen Amarok and that you also experience a loss of power. In this instance, different trouble can demonstrate its lightning. Here is a list of the main motives:

  • Trouble of EGR valve, in fact, if you suffer a loss of power, it is possible that your EGR valve is clogged, in this instance, it is rational that your preheat light comes on while driving on Volkswagen Amarok because it is one of the failures of which it is expected to notify you. Have the status of your valve examined
  • Problem related 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 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 problem that could lead to a glow indicator light on your Volkswagen Amarok coupled with a loss of power, is that your fuel filter is too dirty, you should come to 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 Volkswagen Amarok

To finish , we’ll give you the motives for a glow plug light that comes on on your Volkswagen Amarok without you feeling any difference in power or car behaviour. In most cases, 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 fix the problem.
  • 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 auto mechanic.
  • Faulty injection pressure sensor, ECU error

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