A new light on your dashboard? You don’t understand why it doesn’t shut off… It’s typical, a vehicle is complex and there are multiple causes why a light could occur. If it turns out your glow plug light comes on while driving your Nissan Qashqai 2, it might signal different concerns. In the following paragraphs, we will do anything we can to help you see things more clearly. First, we will see how the preheating light on your Nissan Qashqai 2 operates, and then the different motives it lights up when you are driving

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What is the goal of my Nissan Qashqai 2 glow plug light?

The main role of the engine glow plug light, which is in most cases symbolized by a yellow coil, is to ensure that your glow plugs are working properly. Indeed, it must light up when you switch on your Nissan Qashqai 2 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 car. But, if it turns on while driving, it may indicate multiple failures, we will try to explain the most important ones.

What to do if the glow plug light comes on while driving on my Nissan Qashqai 2?

A glow light that comes on while driving on your Nissan Qashqai 2 or at any other time other than when the engine is started is intended to notify you to a fault other than your spark plugs, we will check out this now. No matter the reason, connecting your vehicle to the diagnostic tool will allow you to accurately understand the explanation for the light up of your glow light.

My Nissan Qashqai 2 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 Nissan Qashqai 2 and that you also encounter a loss of power. In this case, different problems can explain its presence. Here is a list of the most important causes:

  • Trouble of EGR valve, indeed, if you are affected 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 Nissan Qashqai 2 because it is one of the failures of which it is designed to notify you. Have the status of your valve tested
  • Issue linked 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.
  • Issue associated with the injection, either an injector that has seized up or the injection pump that is destroyed by filings or other possible foreign bodies that affect its proper function.
  • Finally, the last issue that could lead to a glow indicator light on your Nissan Qashqai 2 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 Qashqai 2

To conclude, we’ll give you the motives for a glow plug light that comes on on your Nissan Qashqai 2 without you feeling any difference in power or car behaviour. In most cases, this is an electronic fault:

  • Glow plug relays or fuses to be changed, 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 solve the issue.
  • You have a false contact somewhere in your electrical circuit, test out 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

    • In the event that you have any additional questions about the Nissan Qashqai 2, do not hesitate to consult our Nissan Qashqai 2 category.