A new warning light on your dashboard? You don’t find out why it doesn’t switch off… It’s normal, a vehicle is complex and there are multiple factors why a light may come on. In the event that your glow plug light comes on while driving your Citroen Nemo, it might signal different things. In this article, we will do anything we can to support you see things more clearly. First, we will find out how the preheating light on your Citroen Nemo works, and then the different reasons it lights up when you are driving

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What is the purpose of my Citroen Nemo glow plug light?

The primary intent of the engine glow plug light, which is in most cases represented by a yellow coil, is to ensure that your glow plugs are working properly. In fact, it must light up when you switch on your Citroen Nemo 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 expected to stay or come on while driving with your automobile. Nevertheless, if it comes on while driving, it may suggest multiple issues, we will try to summarize the most important ones.

What to do if the glow plug light comes on while driving on my Citroen Nemo?

A glow light that comes on while driving on your Citroen Nemo or at any other time other than when the engine is started is meant to alert you to a problem other than your spark plugs, we will check out this right now. No matter the reason, plug in your car to the diagnostic tool will allow you to carefully translate the reason for the light up of your glow light.

My Citroen Nemo glow light comes on and I’m encountering a loss of power

The first possibility is that you detect that your glow plug light comes on while driving your Citroen Nemo and that you also encounter a loss of power. In such a case, different problems can explain its lightning. Here is a list of the most important factors:

  • Issue of EGR valve, in reality, if you go through a loss of power, it is possible that your EGR valve is blocked, in such a case, it is rational that your preheat light comes on while driving on Citroen Nemo because it is one of the issue of which it is designed to alert you. Have the status of your valve tested
  • Problem linked to the turbo overflow valve, in this situation the ECU can no longer control the turbo intake pressure, which can cause 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 affect its proper function.
  • Finally, the last problem that could lead to a glow indicator light on your Citroen Nemo 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 Citroen Nemo

Finally, we’ll give you the reasons for a glow plug light that comes on on your Citroen Nemo without you feeling any difference in power or automobile behaviour. In general, this is an electronic problem:

  • 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 get rid of the problem.
  • You have a false contact somewhere in your electrical circuit, test the other alternatives first because it is not easy to find it alone, we suggest you to go to your mechanic.
  • Faulty injection pressure sensor, ECU error

    • If you want more tutorials on the Citroen Nemo, go to our Citroen Nemo category.