A new light on your dashboard? You don’t understand why it doesn’t switch off… It’s normal, an automobile is complicated and there are many causes why a light might occur. If it turns out your glow plug light comes on while driving your Fiat Bravo, it may possibly point out some things. On this page, we will do anything we can to support you see things more clearly. First, we will find out how the preheating light on your Fiat Bravo works, and then the different explanations it lights up when you are driving

glow-plug-light-fiat-bravo

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

The primary role 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. In fact, it must light up when you switch on your Fiat Bravo 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 supposed to stay or come on while driving with your motor vehicle. However, if it comes on while driving, it may reveal multiple 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 Bravo?

A glow light that comes on while driving on your Fiat Bravo or at any other time other than when the engine is started is designed to warn you to a problem other than your spark plugs, we will look at this right now. In any case, connecting your vehicle to the diagnostic tool will allow you to carefully translate the reason for the light up of your glow light.

My Fiat Bravo glow light comes on and I’m suffering from a loss of power

The first situation is that you perceive that your glow plug light comes on while driving your Fiat Bravo and that you also encounter a loss of power. In this case, some concerns can demonstrate its presence. Here is a list of the most important causes:

  • Trouble of EGR valve, indeed, if you suffer a loss of power, it is possible that your EGR valve is blocked, in such a case, it is obvious that your preheat light comes on while driving on Fiat Bravo because it is one of the issue of which it is designed to warn you. Have the status of your valve looked at
  • Issue 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.
  • Issue associated 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 affect its proper functioning.
  • Finally, the last trouble that could lead to a glow indicator light on your Fiat Bravo 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 Bravo

To conclude, we’ll give you the explanations for a glow plug light that comes on on your Fiat Bravo without you feeling any difference in power or motor vehicle behaviour. Generally, this is an electronic problem:

  • Glow plug relays or fuses to be replaced, 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 trouble.
  • You have a false contact somewhere in your electrical circuit, test the other options first because it is not easy to find it alone, we recommend you to go to your auto mechanic.
  • Faulty injection pressure sensor, ECU error

    • To get more tips on the Fiat Bravo, take a look at the Fiat Bravo category.