A new light on your dashboard? You don’t understand why it doesn’t turn off… It’s typical, a car is elaborate and there are various motives why a light might come on. If it turns out your glow plug light comes on while driving your Nissan Xterra, it may possibly signify different things. In the following paragraphs, we will do anything we can to help you see things more clearly. First, we will find out how the preheating light on your Nissan Xterra works, and then the different motives it lights up when you are driving

glow-plug-light-nissan-xterra

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

The primary role of the engine glow plug light, which is in most cases symbolized by a yellow coil, is to make sure that your glow plugs are working effectively. In fact, it must light up when you switch on your Nissan Xterra 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 motor vehicle. However, if it comes on while driving, it may suggest multiple failures, we will try to point out the main ones.

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

A glow light that comes on while driving on your Nissan Xterra or at any other time other than when the engine is started is meant to inform you to a fault other than your spark plugs, we will take a look at this now. No matter the reason, plug in your car to the diagnostic tool will allow you to accurately understand the motive for the light up of your glow light.

My Nissan Xterra glow light comes on and I’m suffering from a loss of power

The first possibility is that you identify that your glow plug light comes on while driving your Nissan Xterra and that you also encounter a loss of power. In this instance, different trouble can describe its lightning. Here is a list of the main motives:

  • Problem of EGR valve, in reality, if you are affected a loss of power, it is possible that your EGR valve is blocked, in this case, it is obvious that your preheat light comes on while driving on Nissan Xterra because it is one of the issue of which it is intended to warn you. Have the status of your valve checked
  • Issue associated with 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.
  • Issue in connection with 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 functioning.
  • Finally, the last problem that could lead to a glow indicator light on your Nissan Xterra coupled with a loss of power, is that your fuel filter is too dirty, you should come to 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 Xterra

Finally, we’ll give you the motives for a glow plug light that comes on on your Nissan Xterra 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 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 get rid of the problem.
  • You have a false contact somewhere in your electrical circuit, test out the other alternatives 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 tutorials on the Nissan Xterra, go to our Nissan Xterra category.