A new warning light on your dashboard? You don’t figure out why it doesn’t turn off… It’s normal, an auto is complex and there are multiple causes why a light might come on. If your glow plug light comes on while driving your Opel Adam, it may possibly signal different concerns. In this post, we will do anything we can to help you see things more clearly. First, we will see how the preheating light on your Opel Adam operates, and then the different causes it lights up when you are driving

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What is the goal of my Opel Adam glow plug light?

The main role of the engine glow plug light, which is generally symbolized by a yellow coil, is to assure that your glow plugs are working correctly. Indeed, it must light up when you switch on your Opel Adam 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 car. Nevertheless, if it comes on while driving, it may reveal different issues, we will try to describe the most important ones.

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

A glow light that comes on while driving on your Opel Adam or at any other time other than when the engine is started is designed to alert you to a problem other than your spark plugs, we will check out this right now. In any case, plug in your car to the diagnostic tool will allow you to properly translate the cause for the light up of your glow light.

My Opel Adam glow light comes on and I’m experiencing a loss of power

The first possibility is that you perceive that your glow plug light comes on while driving your Opel Adam and that you also experience a loss of power. In such a case, different problems can demonstrate its presence. Here is a list of the most important causes:

  • Issue of EGR valve, in fact, if you undergo a loss of power, it is possible that your EGR valve is clogged, in such a case, it is obvious that your preheat light comes on while driving on Opel Adam because it is one of the problem of which it is meant to alert you. Have the status of your valve looked at
  • Trouble linked to the turbo overflow valve, in this situation the ECU can no longer control the turbo intake pressure, which can bring about turbo boost and a disturbance in the operation of the turbo.
  • Trouble relevant to the injection, either an injector that has seized up or the injection pump that is broken by filings or other possible foreign bodies that disrupt its proper operation.
  • Finally, the last issue that could lead to a glow indicator light on your Opel Adam coupled with a loss of power, is that your fuel filter is too dirty, you should come to 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 Opel Adam

Finally, we’ll give you the causes for a glow plug light that comes on on your Opel Adam without you feeling any difference in power or car behaviour. Ordinarily, 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 fix the issue.
  • You have a false contact somewhere in your electrical circuit, check the other solutions first because it is not easy to find it alone, we encourage you to go to your repair shop.
  • Faulty injection pressure sensor, ECU error
  • If you wish more tutorials on the Opel Adam, go to our Opel Adam category.