A new light on your dashboard? You don’t figure out why it doesn’t turn off… It’s normal, a car is complex and there are many factors why a light could occur. If it turns out your glow plug light comes on while driving your Fiat Scudo, it might signal some issues. On this page, we will do everything we can to help you see things more clearly. First, we will discover how the preheating light on your Fiat Scudo works, and then the different causes it lights up when you are driving

glow-plug-light-fiat-scudo

What is the purpose of my Fiat Scudo glow plug light?

The main purpose of the engine glow plug light, which is most of the time represented by a yellow coil, is to ensure that your glow plugs are working effectively. Indeed, it must light up when you switch on your Fiat Scudo 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. But, if it comes on while driving, it may reveal several issues, we will try to explain the most important ones.

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

A glow light that comes on while driving on your Fiat Scudo or at any other time other than when the engine is started is intended to alert you to a fault other than your spark plugs, we will look at this right now. Whatever the case, plug in your car to the diagnostic tool will allow you to properly understand the explanation for the light up of your glow light.

My Fiat Scudo glow light comes on and I’m having a loss of power

The first possibility is that you perceive that your glow plug light comes on while driving your Fiat Scudo and that you also encounter a loss of power. In this case, some complications can explain its presence. Here is a list of the most important factors:

  • Issue of EGR valve, in fact, if you suffer a loss of power, it is possible that your EGR valve is clogged, in this instance, it is logical that your preheat light comes on while driving on Fiat Scudo because it is one of the problem of which it is intended to notify you. Have the status of your valve tested
  • Problem linked to the turbo overflow valve, in this situation the ECU can no longer manage the turbo intake pressure, which can bring about turbo boost and a disturbance in the operation 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 performing.
  • Finally, the last issue that could lead to a glow indicator light on your Fiat Scudo 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 Fiat Scudo

Finally, we’ll give you the causes for a glow plug light that comes on on your Fiat Scudo without you feeling any difference in power or automobile behaviour. In general, 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 resolve the issue.
  • You have a false contact somewhere in your electrical circuit, check the other alternatives first because it is not easy to find it alone, we recommend you to go to your mechanic.
  • Faulty injection pressure sensor, ECU error

    • If you have any additional questions about the Fiat Scudo, do not hesitate to consult our Fiat Scudo category.