A new light on your dashboard? You don’t figure out why it doesn’t shut off… It’s normal, a vehicle is complex and there are multiple motives why a light could occur. If your glow plug light comes on while driving your Opel Agila, it might point out different things. In the following paragraphs, we will do everything we can to support you see things more clearly. First, we will find out how the preheating light on your Opel Agila operates, and then the different explanations it lights up when you are driving

glow-plug-light-opel-agila

What is the role of my Opel Agila glow plug light?

The main goal of the engine glow plug light, which is generally represented by a yellow coil, is to guarantee that your glow plugs are working effectively. In reality, it must light up when you switch on your Opel Agila 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 motor vehicle. Nevertheless, if it turns on while driving, it may suggest different failures, we will try to summarize the most important ones.

What to do if the glow plug light comes on while driving on my Opel Agila?

A glow light that comes on while driving on your Opel Agila or at any other time other than when the engine is started is meant to warn you to a fault other than your spark plugs, we will look at this now. In any case, plug in your car to the diagnostic tool will allow you to properly translate the explanation for the light up of your glow light.

My Opel Agila glow light comes on and I’m suffering from a loss of power

The first possibility is that you notice that your glow plug light comes on while driving your Opel Agila and that you also encounter a loss of power. In such a case, different problems can explain its lightning. Here is a list of the most important motives:

  • Problem of EGR valve, in reality, if you go through a loss of power, it is possible that your EGR valve is clogged, in such a case, it is expected that your preheat light comes on while driving on Opel Agila because it is one of the problem of which it is expected to notify you. Have the status of your valve inspected
  • Trouble related 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 perturbation 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 functioning.
  • Finally, the last issue that could lead to a glow indicator light on your Opel Agila coupled with a loss of power, is that your fuel filter is too dirty, you should get 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 Opel Agila

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

  • 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 get rid of 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 encourage you to go to your technician.
  • Faulty injection pressure sensor, ECU error

    • To discover more tips on the Opel Agila, take a look at the Opel Agila category.