A new warning light on your dashboard? You don’t understand why it doesn’t switch off… It’s typical, an automobile is complicated and there are many causes why a light could come on. In the event that your glow plug light comes on while driving your Infiniti QX50, it may possibly reveal some problems. In this article, we will do everything we can to support you see things more clearly. First, we will discover how the preheating light on your Infiniti QX50 operates, and then the different causes it lights up when you are driving

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What is the role of my Infiniti QX50 glow plug light?

The main intent of the engine glow plug light, which is most of the time represented by a yellow coil, is to guarantee that your glow plugs are working effectively. Indeed, it must light up when you switch on your Infiniti QX50 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 motor vehicle. But, if it turns on while driving, it may reveal several failures, we will try to describe the most important ones.

What to do if the glow plug light comes on while driving on my Infiniti QX50?

A glow light that comes on while driving on your Infiniti QX50 or at any other time other than when the engine is started is meant to warn you to a fault other than your spark plugs, we will look at this now. No matter the reason, connecting your vehicle to the diagnostic tool will allow you to precisely understand the motive for the light up of your glow light.

My Infiniti QX50 glow light comes on and I’m encountering a loss of power

The first situation is that you identify that your glow plug light comes on while driving your Infiniti QX50 and that you also experience a loss of power. In such a case, some trouble can demonstrate its lightning. Here is a list of the most important causes:

  • Trouble of EGR valve, in fact, if you undergo a loss of power, it is possible that your EGR valve is clogged, in this case, it is rational that your preheat light comes on while driving on Infiniti QX50 because it is one of the problem of which it is intended to notify you. Have the status of your valve checked
  • Trouble related to 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 operation of the turbo.
  • Trouble related 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 affect its proper operation.
  • Finally, the last problem that could lead to a glow indicator light on your Infiniti QX50 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 Infiniti QX50

Finally, we’ll give you the causes for a glow plug light that comes on on your Infiniti QX50 without you feeling any difference in power or motor vehicle behaviour. Ordinarily, this is an electronic fault:

  • Glow plug relays or fuses to be replaced, 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 alternatives first because it is not easy to find it alone, we suggest you to go to your auto technician.
  • Faulty injection pressure sensor, ECU error

    • To discover more tips on the Infiniti QX50, take a look at the Infiniti QX50 category.