A new light on your dashboard? You don’t figure out why it doesn’t switch off… It’s normal, an automobile is elaborate and there are many reasons why a light might come on. In cases where your glow plug light comes on while driving your Citroen C3, it may possibly show some concerns. 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 Citroen C3 works, and then the different reasons it lights up when you are driving

glow-plug-light-citroen-c3

What is the goal of my Citroen C3 glow plug light?

The primary goal of the engine glow plug light, which is generally symbolized by a yellow coil, is to ensure that your glow plugs are working correctly. In fact, it must light up when you switch on your Citroen C3 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. Nevertheless, if it turns on while driving, it may reveal multiple troubles, we will try to explain the most important ones.

What to do if the glow plug light comes on while driving on my Citroen C3?

A glow light that comes on while driving on your Citroen C3 or at any other time other than when the engine is started is meant to inform you to a problem other than your spark plugs, we will look at this right now. In any case, a switch to the diagnostic tool will allow you to properly interpret the reason for the light up of your glow light.

My Citroen C3 glow light comes on and I’m suffering from a loss of power

The first probability is that you detect that your glow plug light comes on while driving your Citroen C3 and that you also experience a loss of power. In such a case, some trouble can explain its presence. Here is a list of the most important reasons:

  • Issue of EGR valve, in reality, if you are affected 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 C3 because it is one of the issue of which it is supposed to notify you. Have the status of your valve examined
  • Trouble associated with 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 performance of the turbo.
  • Trouble in connection with the injection, either an injector that has seized up or the injection pump that is malfunctioned by filings or other possible foreign bodies that disturb its proper performance.
  • Finally, the last trouble that could lead to a glow indicator light on your Citroen C3 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 Citroen C3

Finally, we’ll give you the reasons for a glow plug light that comes on on your Citroen C3 without you feeling any difference in power or motor vehicle behaviour. In general, this is an electronic problem:

  • Glow plug relays or fuses to be replaced, 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 resolve the trouble.
  • 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 advise you to go to your repair shop.
  • Faulty injection pressure sensor, ECU error

    • If you need more guides on the Citroen C3, go to our Citroen C3 category.