A new warning light on your dashboard? You don’t understand why it doesn’t switch off… It’s normal, a car is elaborate and there are many causes why a light might come on. If it turns out your glow plug light comes on while driving your Mercedes Actros, it may suggest several issues. In the following paragraphs, we will do anything we can to support you see things more clearly. First, we will see how the preheating light on your Mercedes Actros works, and then the different causes it lights up when you are driving

glow-plug-light-mercedes-actros

What is the goal of my Mercedes Actros glow plug light?

The primary goal of the engine glow plug light, which is most of the time represented by a yellow coil, is to make sure that your glow plugs are working correctly. In reality, it must light up when you switch on your Mercedes Actros 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 comes on while driving, it may indicate different issues, we will try to point out the most important ones.

What to do if the glow plug light comes on while driving on my Mercedes Actros?

A glow light that comes on while driving on your Mercedes Actros or at any other time other than when the engine is started is meant 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 reason for the light up of your glow light.

My Mercedes Actros 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 Mercedes Actros and that you also knowledge a loss of power. In this instance, several complications can describe its presence. Here is a list of the most important causes:

  • Problem of EGR valve, in fact, if you go through 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 Mercedes Actros because it is one of the issue of which it is supposed to alert 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 bring about turbo boost and a disturbance in the performance of the turbo.
  • Trouble linked 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 Mercedes Actros 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 Mercedes Actros

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

  • Glow plug relays or fuses to be swapped out, 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 issue.
  • You have a false contact somewhere in your electrical circuit, test the other solutions first because it is not easy to find it alone, we encourage you to go to your auto technician.
  • Faulty injection pressure sensor, ECU error

    • If you have any additional questions about the Mercedes Actros, do not hesitate to consult our Mercedes Actros category.