A new warning light on your dashboard? You don’t figure out why it doesn’t turn off… It’s typical, a vehicle is complicated and there are multiple factors why a light might occur. If it turns out your glow plug light comes on while driving your Dodge Ram, it may possibly reveal some problems. On this page, we will do everything we can to support you see things more clearly. First, we will discover how the preheating light on your Dodge Ram functions, and then the different motives it lights up when you are driving

glow-plug-light-dodge-ram

What is the role of my Dodge Ram glow plug light?

The primary role of the engine glow plug light, which is most of the time symbolized 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 Dodge Ram 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 expected to stay or come on while driving with your motor vehicle. But, if it comes on while driving, it may reveal different troubles, we will try to point out the most important ones.

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

A glow light that comes on while driving on your Dodge Ram 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 take a look at this now. No matter the reason, connecting your vehicle to the diagnostic tool will allow you to precisely interpret the reason for the light up of your glow light.

My Dodge Ram glow light comes on and I’m experiencing a loss of power

The first possibility is that you identify that your glow plug light comes on while driving your Dodge Ram and that you also experience a loss of power. In such a case, some concerns can demonstrate its presence. Here is a list of the most important factors:

  • Issue of EGR valve, indeed, if you go through a loss of power, it is possible that your EGR valve is clogged, in this instance, it is obvious that your preheat light comes on while driving on Dodge Ram because it is one of the failures of which it is meant to warn you. Have the status of your valve inspected
  • 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 related 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 operation.
  • Finally, the last problem that could lead to a glow indicator light on your Dodge Ram coupled with a loss of power, is that your fuel filter is too dirty, you should 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 Dodge Ram

To finish , we’ll give you the motives for a glow plug light that comes on on your Dodge Ram without you feeling any difference in power or motor vehicle behaviour. In general, this is an electronic fault:

  • Glow plug relays or fuses to be changed, 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 resolve the problem.
  • 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 recommend you to go to your auto mechanic.
  • Faulty injection pressure sensor, ECU error

    • If perhaps you have any additional questions about the Dodge Ram, do not hesitate to consult our Dodge Ram category.