A new light on your dashboard? You don’t figure out why it doesn’t switch off… It’s normal, an auto is complicated and there are multiple causes why a light may come on. In cases where your glow plug light comes on while driving your Fiat Ducato 2, it may possibly indicate several things. In this article, we will do everything we can to support you see things more clearly. First, we will find out how the preheating light on your Fiat Ducato 2 works, and then the different reasons it lights up when you are driving

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What is the goal of my Fiat Ducato 2 glow plug light?

The primary purpose of the engine glow plug light, which is most of the time symbolized by a yellow coil, is to ensure that your glow plugs are working properly. Indeed, it must light up when you switch on your Fiat Ducato 2 to tell you that they are heating the intake air in your cylinders and must go out after a few minutes 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 suggest several troubles, we will try to detail the most important ones.

What to do if the glow plug light comes on while driving on my Fiat Ducato 2?

A glow light that comes on while driving on your Fiat Ducato 2 or at any other time other than when the engine is started is meant to inform you to a fault other than your spark plugs, we will look at this right now. In any case, a switch to the diagnostic tool will allow you to carefully understand the motive for the light up of your glow light.

My Fiat Ducato 2 glow light comes on and I’m encountering a loss of power

The first possibility is that you notice that your glow plug light comes on while driving your Fiat Ducato 2 and that you also encounter a loss of power. In this case, several problems can describe its lightning. Here is a list of the most important causes:

  • Trouble of EGR valve, in reality, 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 Fiat Ducato 2 because it is one of the issue of which it is intended to alert you. Have the status of your valve checked
  • Problem associated with the turbo overflow valve, in this situation the ECU can no longer manage the turbo intake pressure, which can result in turbo boost and a perturbation in the performance of the turbo.
  • Problem related 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 disrupt its proper operation.
  • Finally, the last trouble that could lead to a glow indicator light on your Fiat Ducato 2 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 Fiat Ducato 2

To finish , we’ll give you the reasons for a glow plug light that comes on on your Fiat Ducato 2 without you feeling any difference in power or automobile behaviour. Generally, this is an electronic fault:

  • 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 solve the trouble.
  • 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 you want more tutorials on the Fiat Ducato 2, go to our Fiat Ducato 2 category.