A new light on your dashboard? You don’t figure out why it doesn’t turn off… It’s typical, a car is complex and there are multiple reasons why a light may come on. If it turns out your glow plug light comes on while driving your Citroen Jumper, it may possibly signify some things. In the following paragraphs, we will do anything we can to support you see things more clearly. First, we will see how the preheating light on your Citroen Jumper operates, and then the different explanations it lights up when you are driving

glow-plug-light-citroen-jumper

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

The main intent of the engine glow plug light, which is generally symbolized by a yellow coil, is to ensure that your glow plugs are working correctly. Indeed, it must light up when you switch on your Citroen Jumper 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 motor vehicle. But, if it comes on while driving, it may indicate different troubles, we will try to summarize the main ones.

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

A glow light that comes on while driving on your Citroen Jumper or at any other time other than when the engine is started is designed to notify you to a fault other than your spark plugs, we will check out this now. In any case, plug in your car to the diagnostic tool will allow you to carefully understand the motive for the light up of your glow light.

My Citroen Jumper glow light comes on and I’m going through a loss of power

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

  • Problem of EGR valve, indeed, if you undergo a loss of power, it is possible that your EGR valve is blocked, in this case, it is logical that your preheat light comes on while driving on Citroen Jumper because it is one of the failures of which it is supposed to alert you. Have the status of your valve examined
  • Problem related to the turbo overflow valve, in this situation the ECU can no longer control the turbo intake pressure, which can result in turbo boost and a perturbation in the performance of the turbo.
  • Problem linked to the injection, either an injector that has seized up or the injection pump that is destroyed by filings or other possible foreign bodies that disrupt its proper functioning.
  • Finally, the last issue that could lead to a glow indicator light on your Citroen Jumper 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 Jumper

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

  • 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 get rid of the issue.
  • You have a false contact somewhere in your electrical circuit, check the other options first because it is not easy to find it alone, we recommend you to go to your technician.
  • Faulty injection pressure sensor, ECU error

    • In the event that you have any additional questions about the Citroen Jumper, do not hesitate to consult our Citroen Jumper category.