A new warning light on your dashboard? You don’t understand why it doesn’t switch off… It’s typical, a car is complicated and there are various motives why a light might come on. In the event that your glow plug light comes on while driving your Infiniti Q50, it may point out different things. In this article, we will do everything we can to support you see things more clearly. First, we will find out how the preheating light on your Infiniti Q50 works, and then the different reasons it lights up when you are driving

glow-plug-light-infiniti-q50

What is the goal of my Infiniti Q50 glow plug light?

The main intent of the engine glow plug light, which is generally represented by a yellow coil, is to assure that your glow plugs are working properly. In reality, it must light up when you switch on your Infiniti Q50 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 vehicle. But, if it comes on while driving, it may suggest several issues, we will try to detail the main ones.

What to do if the glow plug light comes on while driving on my Infiniti Q50?

A glow light that comes on while driving on your Infiniti Q50 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 now. Whatever the case, a switch to the diagnostic tool will allow you to properly understand the motive for the light up of your glow light.

My Infiniti Q50 glow light comes on and I’m having a loss of power

The first possibility is that you recognize that your glow plug light comes on while driving your Infiniti Q50 and that you also knowledge a loss of power. In this instance, different problems can explain its presence. Here is a list of the main motives:

  • Trouble of EGR valve, in fact, if you undergo a loss of power, it is possible that your EGR valve is clogged, in this instance, it is expected that your preheat light comes on while driving on Infiniti Q50 because it is one of the failures of which it is meant to notify you. Have the status of your valve looked at
  • Issue associated with the turbo overflow valve, in this situation the ECU can no longer control the turbo intake pressure, which can bring about turbo boost and a disturbance in the performance of the turbo.
  • Issue associated 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 affect its proper operation.
  • Finally, the last problem that could lead to a glow indicator light on your Infiniti Q50 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 Infiniti Q50

Finally, we’ll give you the reasons for a glow plug light that comes on on your Infiniti Q50 without you feeling any difference in power or vehicle behaviour. In most cases, this is an electronic fault:

  • Glow plug relays or fuses to be swapped out, 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 problem.
  • 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 technician.
  • Faulty injection pressure sensor, ECU error

    • If you want more guides on the Infiniti Q50, go to our Infiniti Q50 category.