A new light on your dashboard? You don’t figure out why it doesn’t switch off… It’s typical, a car is complicated and there are various reasons why a light could come on. In cases where your glow plug light comes on while driving your Opel Meriva, it may possibly reveal some issues. In the following paragraphs, we will do everything we can to help you see things more clearly. First, we will see how the preheating light on your Opel Meriva operates, and then the different reasons it lights up when you are driving

glow-plug-light-opel-meriva

What is the purpose of my Opel Meriva glow plug light?

The primary intent of the engine glow plug light, which is in most cases symbolized by a yellow coil, is to make sure that your glow plugs are working effectively. In fact, it must light up when you switch on your Opel Meriva 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 meant to stay or come on while driving with your vehicle. But, if it turns on while driving, it may suggest different issues, we will try to describe the main ones.

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

A glow light that comes on while driving on your Opel Meriva or at any other time other than when the engine is started is designed to warn you to a fault other than your spark plugs, we will check out this right now. No matter the reason, a switch to the diagnostic tool will allow you to precisely understand the cause for the light up of your glow light.

My Opel Meriva glow light comes on and I’m having a loss of power

The first situation is that you perceive that your glow plug light comes on while driving your Opel Meriva and that you also experience a loss of power. In this instance, some complications can demonstrate its presence. Here is a list of the main reasons:

  • Trouble of EGR valve, in fact, if you undergo a loss of power, it is possible that your EGR valve is blocked, in this instance, it is obvious that your preheat light comes on while driving on Opel Meriva because it is one of the failures of which it is expected to notify you. Have the status of your valve examined
  • Issue 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 perturbation in the performance 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 disturb its proper performance.
  • Finally, the last trouble that could lead to a glow indicator light on your Opel Meriva 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 Meriva

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

  • 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 out the other options 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

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