A new light on your dashboard? You don’t find out why it doesn’t turn off… It’s normal, an automobile is complicated and there are multiple reasons why a light could come on. If it turns out your glow plug light comes on while driving your Nissan NV, it might indicate different issues. 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 Nissan NV functions, and then the different explanations it lights up when you are driving


What is the purpose of my Nissan NV glow plug light?

The primary intent of the engine glow plug light, which is in most cases symbolized by a yellow coil, is to assure that your glow plugs are working correctly. Indeed, it must light up when you switch on your Nissan NV 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 car. Nevertheless, if it turns on while driving, it may suggest several 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 NV?

A glow light that comes on while driving on your Nissan NV or at any other time other than when the engine is started is intended to warn you to a fault other than your spark plugs, we will check out this right now. Whatever the case, plug in your car to the diagnostic tool will allow you to precisely understand the reason for the light up of your glow light.

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

The first possibility is that you detect that your glow plug light comes on while driving your Nissan NV and that you also experience a loss of power. In this instance, different concerns can explain its presence. Here is a list of the most important reasons:

  • Trouble of EGR valve, indeed, if you go through 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 NV because it is one of the problem of which it is designed to alert you. Have the status of your valve inspected
  • Problem related to the turbo overflow valve, in this situation the ECU can no longer manage the turbo intake pressure, which can result in turbo boost and a disturbance in the performance of the turbo.
  • Problem 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 disrupt its proper function.
  • Finally, the last trouble that could lead to a glow indicator light on your Nissan NV coupled with a loss of power, is that your fuel filter is too dirty, you should get 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 NV

To finish , we’ll give you the explanations for a glow plug light that comes on on your Nissan NV without you feeling any difference in power or car 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 get rid of the trouble.
  • You have a false contact somewhere in your electrical circuit, check the other solutions first because it is not easy to find it alone, we recommend you to go to your repair shop.
  • Faulty injection pressure sensor, ECU error
  • If you need more tutorials on the Nissan NV, go to our Nissan NV category.