A new light on your dashboard? You don’t understand why it doesn’t turn off… It’s typical, an auto is complex and there are various motives why a light might occur. If it turns out your glow plug light comes on while driving your Nissan Altima, it may signal some issues. In this article, we will do anything we can to help you see things more clearly. First, we will see how the preheating light on your Nissan Altima operates, and then the different causes it lights up when you are driving

glow-plug-light-nissan-altima

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

The primary purpose of the engine glow plug light, which is generally symbolized by a yellow coil, is to make sure that your glow plugs are working properly. In reality, it must light up when you switch on your Nissan Altima 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 motor vehicle. But, if it comes on while driving, it may show several troubles, we will try to explain the most important ones.

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

A glow light that comes on while driving on your Nissan Altima 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 take a look at this right now. In any case, plug in your car to the diagnostic tool will allow you to carefully interpret the reason for the light up of your glow light.

My Nissan Altima 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 Nissan Altima and that you also experience a loss of power. In such a case, some complications can describe its lightning. Here is a list of the most important motives:

  • Trouble of EGR valve, in fact, 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 Nissan Altima because it is one of the failures of which it is designed to warn you. Have the status of your valve checked out
  • Problem associated with 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 perturbation in the operation of the turbo.
  • Problem linked 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 disturb its proper functioning.
  • Finally, the last problem that could lead to a glow indicator light on your Nissan Altima 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 Nissan Altima

To finish , we’ll give you the causes for a glow plug light that comes on on your Nissan Altima without you feeling any difference in power or motor vehicle behaviour. Ordinarily, 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 problem.
  • You have a false contact somewhere in your electrical circuit, check the other alternatives first because it is not easy to find it alone, we suggest you to go to your repair shop.
  • Faulty injection pressure sensor, ECU error

    • To discover more tips on the Nissan Altima, take a look at the Nissan Altima category.