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 various causes why a light could come on. In the event that your glow plug light comes on while driving your Fiat Punto 2, it may possibly reveal different issues. In the following paragraphs, we will do everything we can to support you see things more clearly. First, we will see how the preheating light on your Fiat Punto 2 operates, and then the different reasons it lights up when you are driving

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What is the role of my Fiat Punto 2 glow plug light?

The primary intent 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 properly. In reality, it must light up when you switch on your Fiat Punto 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 motor vehicle. Nevertheless, if it turns on while driving, it may reveal several failures, we will try to detail the main ones.

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

A glow light that comes on while driving on your Fiat Punto 2 or at any other time other than when the engine is started is intended to warn you to a problem other than your spark plugs, we will take a look at this now. Whatever the case, plug in your car to the diagnostic tool will allow you to precisely interpret the explanation for the light up of your glow light.

My Fiat Punto 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 Punto 2 and that you also knowledge a loss of power. In this case, different concerns can describe its lightning. Here is a list of the main causes:

  • Trouble of EGR valve, in reality, if you are affected a loss of power, it is possible that your EGR valve is clogged, in this case, it is logical that your preheat light comes on while driving on Fiat Punto 2 because it is one of the problem of which it is supposed to warn you. Have the status of your valve checked
  • Trouble associated with the turbo overflow valve, in this situation the ECU can no longer control the turbo intake pressure, which can lead to turbo boost and a disturbance in the performance of the turbo.
  • Trouble in connection with the injection, either an injector that has seized up or the injection pump that is damaged by filings or other possible foreign bodies that disturb its proper performing.
  • Finally, the last problem that could lead to a glow indicator light on your Fiat Punto 2 coupled with a loss of power, is that your fuel filter is too dirty, you should encounter 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 Punto 2

Finally, we’ll give you the reasons for a glow plug light that comes on on your Fiat Punto 2 without you feeling any difference in power or motor vehicle behaviour. In general, this is an electronic problem:

  • 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 solve the problem.
  • You have a false contact somewhere in your electrical circuit, test the other solutions first because it is not easy to find it alone, we suggest you to go to your auto technician.
  • Faulty injection pressure sensor, ECU error
  • If you want more tutorials on the Fiat Punto 2, go to our Fiat Punto 2 category.