A new warning light on your dashboard? You don’t find out why it doesn’t shut off… It’s typical, a car is complicated and there are various causes why a light may come on. In cases where your glow plug light comes on while driving your Citroen Ds4, it may possibly suggest several problems. In this post, we will do everything we can to support you see things more clearly. First, we will discover how the preheating light on your Citroen Ds4 functions, and then the different causes it lights up when you are driving

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What is the goal of my Citroen Ds4 glow plug light?

The primary intent of the engine glow plug light, which is in most cases represented by a yellow coil, is to make sure that your glow plugs are working correctly. In fact, it must light up when you switch on your Citroen Ds4 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 supposed to stay or come on while driving with your automobile. However, if it turns on while driving, it may indicate multiple issues, we will try to detail the main ones.

What to do if the glow plug light comes on while driving on my Citroen Ds4?

A glow light that comes on while driving on your Citroen Ds4 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 take a look at this right now. No matter the reason, plug in your car to the diagnostic tool will allow you to accurately interpret the reason for the light up of your glow light.

My Citroen Ds4 glow light comes on and I’m having a loss of power

The first situation is that you detect that your glow plug light comes on while driving your Citroen Ds4 and that you also encounter a loss of power. In this instance, several problems can demonstrate its presence. Here is a list of the main causes:

  • Issue of EGR valve, in fact, 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 Ds4 because it is one of the failures of which it is designed to notify you. Have the status of your valve inspected
  • Problem 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 performance of the turbo.
  • Problem linked to 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 Ds4 coupled with a loss of power, is that your fuel filter is too dirty, you should experience 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 Ds4

To finish , we’ll give you the causes for a glow plug light that comes on on your Citroen Ds4 without you feeling any difference in power or automobile behaviour. Ordinarily, this is an electronic problem:

  • Glow plug relays or fuses to be swapped out, 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 resolve the issue.
  • You have a false contact somewhere in your electrical circuit, check the other solutions first because it is not easy to find it alone, we recommend you to go to your repair shop.
  • Faulty injection pressure sensor, ECU error
  • Whenever you have any further questions about the Citroen Ds4, do not hesitate to consult our Citroen Ds4 category.