A new warning light on your dashboard? You don’t understand why it doesn’t shut off… It’s typical, a vehicle is elaborate and there are various factors why a light may come on. In the event that your glow plug light comes on while driving your Citroen Xsara, it may possibly signal some concerns. On this page, we will do everything we can to help you see things more clearly. First, we will see how the preheating light on your Citroen Xsara operates, and then the different explanations it lights up when you are driving

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

The primary purpose 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 reality, it must light up when you switch on your Citroen Xsara 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 expected to stay or come on while driving with your vehicle. But, if it turns on while driving, it may reveal multiple failures, we will try to point out the main ones.

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

A glow light that comes on while driving on your Citroen Xsara 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 take a look at this now. Whatever the case, plug in your car to the diagnostic tool will allow you to carefully interpret the explanation for the light up of your glow light.

My Citroen Xsara glow light comes on and I’m experiencing a loss of power

The first situation is that you notice that your glow plug light comes on while driving your Citroen Xsara and that you also knowledge a loss of power. In such a case, some trouble can describe its lightning. Here is a list of the main factors:

  • Trouble of EGR valve, in reality, if you go through a loss of power, it is possible that your EGR valve is clogged, in such a case, it is logical that your preheat light comes on while driving on Citroen Xsara because it is one of the problem of which it is supposed to alert you. Have the status of your valve examined
  • Issue 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 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 malfunctioned by filings or other possible foreign bodies that disturb its proper operation.
  • Finally, the last issue that could lead to a glow indicator light on your Citroen Xsara 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 Citroen Xsara

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

  • Glow plug relays or fuses to be swapped out, 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 fix the issue.
  • 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 encourage you to go to your auto technician.
  • Faulty injection pressure sensor, ECU error
  • If perhaps you have any further questions about the Citroen Xsara, do not hesitate to consult our Citroen Xsara category.