A new warning light on your dashboard? You don’t find out why it doesn’t turn off… It’s typical, a car is elaborate and there are many motives why a light may come on. If your glow plug light comes on while driving your Citroen Xantia, it may point out different problems. On this page, we will do anything we can to help you see things more clearly. First, we will discover how the preheating light on your Citroen Xantia functions, and then the different reasons it lights up when you are driving

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

The main goal of the engine glow plug light, which is most of the time represented by a yellow coil, is to ensure that your glow plugs are working effectively. Indeed, it must light up when you switch on your Citroen Xantia 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 car. However, if it comes on while driving, it may indicate different troubles, we will try to describe the main ones.

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

A glow light that comes on while driving on your Citroen Xantia or at any other time other than when the engine is started is meant to notify you to a problem other than your spark plugs, we will look at this now. Whatever the case, a switch to the diagnostic tool will allow you to accurately translate the cause for the light up of your glow light.

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

The first probability is that you recognize that your glow plug light comes on while driving your Citroen Xantia and that you also knowledge a loss of power. In such a case, different concerns can explain its presence. Here is a list of the main motives:

  • Issue of EGR valve, in reality, if you undergo a loss of power, it is possible that your EGR valve is clogged, in such a case, it is expected that your preheat light comes on while driving on Citroen Xantia because it is one of the issue of which it is supposed to warn you. Have the status of your valve looked at
  • Trouble linked to the turbo overflow valve, in this situation the ECU can no longer manage the turbo intake pressure, which can cause turbo boost and a perturbation in the operation of the turbo.
  • Trouble relevant 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 issue that could lead to a glow indicator light on your Citroen Xantia coupled with a loss of power, is that your fuel filter is too dirty, you should 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 Citroen Xantia

To finish , we’ll give you the reasons for a glow plug light that comes on on your Citroen Xantia without you feeling any difference in power or car behaviour. Ordinarily, this is an electronic problem:

  • Glow plug relays or fuses to be changed, 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 get rid of the issue.
  • You have a false contact somewhere in your electrical circuit, test the other options first because it is not easy to find it alone, we encourage you to go to your auto technician.
  • Faulty injection pressure sensor, ECU error

    • If you wish more tutorials on the Citroen Xantia, go to our Citroen Xantia category.