A new warning light on your dashboard? You don’t figure out why it doesn’t shut off… It’s typical, a car is complicated and there are various factors why a light may occur. In the event that your glow plug light comes on while driving your Volkswagen Atlas, it might signal several things. On this page, we will do anything we can to support you see things more clearly. First, we will find out how the preheating light on your Volkswagen Atlas functions, and then the different motives it lights up when you are driving

glow-plug-light-volkswagen-atlas

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

The primary intent of the engine glow plug light, which is in most cases represented by a yellow coil, is to make sure that your glow plugs are working properly. In fact, it must light up when you switch on your Volkswagen Atlas 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 vehicle. However, if it comes on while driving, it may reveal different failures, we will try to point out the most important ones.

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

A glow light that comes on while driving on your Volkswagen Atlas or at any other time other than when the engine is started is designed to notify you to a problem other than your spark plugs, we will check out this right now. In any case, a switch to the diagnostic tool will allow you to precisely understand the explanation for the light up of your glow light.

My Volkswagen Atlas glow light comes on and I’m experiencing a loss of power

The first possibility is that you recognize that your glow plug light comes on while driving your Volkswagen Atlas and that you also encounter a loss of power. In this case, several complications can demonstrate its lightning. Here is a list of the most important factors:

  • Trouble of EGR valve, indeed, if you go through a loss of power, it is possible that your EGR valve is blocked, in such a case, it is obvious that your preheat light comes on while driving on Volkswagen Atlas because it is one of the problem of which it is expected to warn you. Have the status of your valve checked
  • Trouble associated with the turbo overflow valve, in this situation the ECU can no longer manage the turbo intake pressure, which can lead to turbo boost and a perturbation in the operation of the turbo.
  • Trouble in connection with the injection, either an injector that has seized up or the injection pump that is destroyed by filings or other possible foreign bodies that affect its proper operation.
  • Finally, the last problem that could lead to a glow indicator light on your Volkswagen Atlas 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 Atlas

To conclude, we’ll give you the motives for a glow plug light that comes on on your Volkswagen Atlas without you feeling any difference in power or vehicle behaviour. Generally, this is an electronic problem:

  • 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 fix the problem.
  • You have a false contact somewhere in your electrical circuit, test the other alternatives first because it is not easy to find it alone, we recommend you to go to your auto mechanic.
  • Faulty injection pressure sensor, ECU error

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