A new warning light on your dashboard? You don’t figure out why it doesn’t switch off… It’s normal, a car is elaborate and there are many reasons why a light might come on. If it turns out your glow plug light comes on while driving your Citroen Ds5, it may reveal different concerns. In this post, we will do everything we can to support you see things more clearly. First, we will see how the preheating light on your Citroen Ds5 functions, and then the different motives it lights up when you are driving

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What is the goal of my Citroen Ds5 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 make sure that your glow plugs are working correctly. Indeed, it must light up when you switch on your Citroen Ds5 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 automobile. Nevertheless, if it turns on while driving, it may indicate different 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 Ds5?

A glow light that comes on while driving on your Citroen Ds5 or at any other time other than when the engine is started is intended to inform you to a problem other than your spark plugs, we will check out this right now. In any case, a switch to the diagnostic tool will allow you to properly interpret the cause for the light up of your glow light.

My Citroen Ds5 glow light comes on and I’m experiencing a loss of power

The first probability is that you detect that your glow plug light comes on while driving your Citroen Ds5 and that you also knowledge a loss of power. In this case, different concerns can explain its presence. Here is a list of the most important reasons:

  • 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 expected that your preheat light comes on while driving on Citroen Ds5 because it is one of the problem of which it is expected to warn you. Have the status of your valve looked at
  • Issue related to the turbo overflow valve, in this situation the ECU can no longer manage the turbo intake pressure, which can lead to turbo boost and a perturbation in the operation of the turbo.
  • Issue associated with 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 operation.
  • Finally, the last trouble that could lead to a glow indicator light on your Citroen Ds5 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 Ds5

Finally, we’ll give you the motives for a glow plug light that comes on on your Citroen Ds5 without you feeling any difference in power or automobile behaviour. In most cases, 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 get rid of the trouble.
  • 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 advise you to go to your auto technician.
  • Faulty injection pressure sensor, ECU error

    • If you wish more guides on the Citroen Ds5, go to our Citroen Ds5 category.