A new warning light on your dashboard? You don’t find out why it doesn’t turn off… It’s normal, a car is elaborate and there are multiple causes why a light might occur. In the event that your glow plug light comes on while driving your Nissan Sentra, it may possibly reveal different 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 Nissan Sentra works, and then the different reasons it lights up when you are driving

glow-plug-light-nissan-sentra

What is the role of my Nissan Sentra glow plug light?

The primary goal of the engine glow plug light, which is generally symbolized by a yellow coil, is to guarantee that your glow plugs are working properly. In fact, it must light up when you switch on your Nissan Sentra 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 meant to stay or come on while driving with your automobile. However, if it turns on while driving, it may suggest multiple issues, we will try to describe the most important ones.

What to do if the glow plug light comes on while driving on my Nissan Sentra?

A glow light that comes on while driving on your Nissan Sentra 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. Whatever the case, plug in your car to the diagnostic tool will allow you to properly understand the explanation for the light up of your glow light.

My Nissan Sentra glow light comes on and I’m experiencing a loss of power

The first possibility is that you notice that your glow plug light comes on while driving your Nissan Sentra and that you also experience a loss of power. In such a case, different complications can explain its lightning. Here is a list of the most important causes:

  • Trouble of EGR valve, in reality, if you suffer a loss of power, it is possible that your EGR valve is blocked, in this instance, it is expected that your preheat light comes on while driving on Nissan Sentra because it is one of the issue of which it is intended to alert you. Have the status of your valve checked out
  • Problem 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 perturbation in the performance of the turbo.
  • Problem associated 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 disrupt its proper operation.
  • Finally, the last trouble that could lead to a glow indicator light on your Nissan Sentra 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 Nissan Sentra

Finally, we’ll give you the reasons for a glow plug light that comes on on your Nissan Sentra without you feeling any difference in power or automobile behaviour. In most cases, 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 solve 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 suggest you to go to your auto mechanic.
  • Faulty injection pressure sensor, ECU error

    • If you wish more guides on the Nissan Sentra, go to our Nissan Sentra category.