A new light on your dashboard? You don’t understand why it doesn’t switch off… It’s normal, an automobile is elaborate and there are multiple causes why a light might occur. If your glow plug light comes on while driving your Dodge Avenger, it may suggest some problems. In the following paragraphs, we will do everything we can to support you see things more clearly. First, we will see how the preheating light on your Dodge Avenger functions, and then the different reasons it lights up when you are driving

glow-plug-light-dodge-avenger

What is the purpose of my Dodge Avenger glow plug light?

The primary role of the engine glow plug light, which is in most cases represented by a yellow coil, is to assure that your glow plugs are working correctly. Indeed, it must light up when you switch on your Dodge Avenger 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 meant to stay or come on while driving with your vehicle. Nevertheless, if it turns on while driving, it may reveal multiple issues, we will try to explain the main ones.

What to do if the glow plug light comes on while driving on my Dodge Avenger?

A glow light that comes on while driving on your Dodge Avenger or at any other time other than when the engine is started is designed to inform you to a fault other than your spark plugs, we will look at this right now. In any case, plug in your car to the diagnostic tool will allow you to precisely interpret the cause for the light up of your glow light.

My Dodge Avenger glow light comes on and I’m encountering a loss of power

The first probability is that you notice that your glow plug light comes on while driving your Dodge Avenger and that you also experience a loss of power. In such a case, some problems can demonstrate its presence. Here is a list of the main causes:

  • 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 obvious that your preheat light comes on while driving on Dodge Avenger because it is one of the issue of which it is designed to notify you. Have the status of your valve inspected
  • Trouble related to the turbo overflow valve, in this situation the ECU can no longer control the turbo intake pressure, which can lead to 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 broken by filings or other possible foreign bodies that disturb its proper performance.
  • Finally, the last trouble that could lead to a glow indicator light on your Dodge Avenger 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 Dodge Avenger

To conclude, we’ll give you the reasons for a glow plug light that comes on on your Dodge Avenger without you feeling any difference in power or vehicle behaviour. Ordinarily, this is an electronic fault:

  • 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 fix the trouble.
  • You have a false contact somewhere in your electrical circuit, test the other options 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

    • Whenever you have any additional questions about the Dodge Avenger, do not hesitate to consult our Dodge Avenger category.