A new warning light on your dashboard? You don’t understand why it doesn’t switch off… It’s normal, a car is complex and there are various motives why a light might occur. If your glow plug light comes on while driving your Dodge Nitro, it may possibly signal several issues. On this page, we will do anything we can to support you see things more clearly. First, we will discover how the preheating light on your Dodge Nitro works, and then the different reasons it lights up when you are driving

glow-plug-light-dodge-nitro

What is the goal of my Dodge Nitro glow plug light?

The main intent of the engine glow plug light, which is most of the time symbolized by a yellow coil, is to assure that your glow plugs are working effectively. Indeed, it must light up when you switch on your Dodge Nitro 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 vehicle. But, if it turns on while driving, it may reveal several failures, we will try to summarize the main ones.

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

A glow light that comes on while driving on your Dodge Nitro or at any other time other than when the engine is started is designed to alert you to a fault other than your spark plugs, we will look at this right now. In any case, connecting your vehicle to the diagnostic tool will allow you to carefully understand the explanation for the light up of your glow light.

My Dodge Nitro glow light comes on and I’m going through a loss of power

The first probability is that you perceive that your glow plug light comes on while driving your Dodge Nitro and that you also experience a loss of power. In such a case, several concerns can describe its lightning. Here is a list of the main motives:

  • Trouble of EGR valve, indeed, if you are affected a loss of power, it is possible that your EGR valve is clogged, in this case, it is obvious that your preheat light comes on while driving on Dodge Nitro because it is one of the problem of which it is designed to notify you. Have the status of your valve looked at
  • Issue 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.
  • Issue associated with the injection, either an injector that has seized up or the injection pump that is damaged by filings or other possible foreign bodies that disrupt its proper operation.
  • Finally, the last trouble that could lead to a glow indicator light on your Dodge Nitro coupled with a loss of power, is that your fuel filter is too dirty, you should encounter 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 Nitro

Finally, we’ll give you the reasons for a glow plug light that comes on on your Dodge Nitro without you feeling any difference in power or vehicle behaviour. Generally, 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 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 advise you to go to your technician.
  • Faulty injection pressure sensor, ECU error

    • If you want more tutorials on the Dodge Nitro, go to our Dodge Nitro category.