A new warning light on your dashboard? You don’t find out why it doesn’t shut off… It’s typical, a vehicle is complex and there are multiple reasons why a light might come on. In cases where your glow plug light comes on while driving your Alfa Romeo Gt, it may signal different concerns. In this post, we will do everything we can to help you see things more clearly. First, we will find out how the preheating light on your Alfa Romeo Gt functions, and then the different explanations it lights up when you are driving

glow-plug-light-alfa-romeo-gt

What is the role of my Alfa Romeo Gt glow plug light?

The main intent of the engine glow plug light, which is generally symbolized by a yellow coil, is to assure that your glow plugs are working properly. In reality, it must light up when you switch on your Alfa Romeo Gt 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. Nevertheless, if it comes on while driving, it may suggest several failures, we will try to describe the main ones.

What to do if the glow plug light comes on while driving on my Alfa Romeo Gt?

A glow light that comes on while driving on your Alfa Romeo Gt or at any other time other than when the engine is started is intended to notify you to a fault other than your spark plugs, we will look at this right now. No matter the reason, connecting your vehicle to the diagnostic tool will allow you to properly translate the motive for the light up of your glow light.

My Alfa Romeo Gt glow light comes on and I’m going through a loss of power

The first possibility is that you detect that your glow plug light comes on while driving your Alfa Romeo Gt and that you also knowledge a loss of power. In this instance, different trouble can demonstrate its presence. Here is a list of the main reasons:

  • Issue of EGR valve, indeed, if you undergo a loss of power, it is possible that your EGR valve is clogged, in this instance, it is obvious that your preheat light comes on while driving on Alfa Romeo Gt because it is one of the failures of which it is designed to warn you. Have the status of your valve examined
  • Problem 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 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 operation.
  • Finally, the last problem that could lead to a glow indicator light on your Alfa Romeo Gt 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 Alfa Romeo Gt

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

  • Glow plug relays or fuses to be swapped out, 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 problem.
  • 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 suggest you to go to your auto technician.
  • Faulty injection pressure sensor, ECU error

    • To discover more tips on the Alfa Romeo Gt, take a look at the Alfa Romeo Gt category.