A new light on your dashboard? You don’t find out why it doesn’t switch off… It’s typical, an automobile is elaborate and there are multiple reasons why a light could occur. In the event that your glow plug light comes on while driving your Suzuki Grand Vitara, it might signify different things. In this article, we will do anything we can to support you see things more clearly. First, we will discover how the preheating light on your Suzuki Grand Vitara operates, and then the different reasons it lights up when you are driving

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What is the role of my Suzuki Grand Vitara glow plug light?

The primary purpose 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. Indeed, it must light up when you switch on your Suzuki Grand Vitara 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 meant to stay or come on while driving with your vehicle. Nevertheless, if it comes on while driving, it may reveal multiple troubles, we will try to explain the most important ones.

What to do if the glow plug light comes on while driving on my Suzuki Grand Vitara?

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

My Suzuki Grand Vitara glow light comes on and I’m experiencing a loss of power

The first situation is that you detect that your glow plug light comes on while driving your Suzuki Grand Vitara and that you also knowledge a loss of power. In this case, different trouble can describe its lightning. Here is a list of the most important reasons:

  • Problem of EGR valve, in reality, 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 Suzuki Grand Vitara because it is one of the issue of which it is intended to notify you. Have the status of your valve examined
  • Issue related to the turbo overflow valve, in this situation the ECU can no longer control the turbo intake pressure, which can result in 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 problem that could lead to a glow indicator light on your Suzuki Grand Vitara coupled with a loss of power, is that your fuel filter is too dirty, you should experience 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 Suzuki Grand Vitara

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

  • Glow plug relays or fuses to be changed, 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 problem.
  • You have a false contact somewhere in your electrical circuit, test out the other alternatives first because it is not easy to find it alone, we encourage you to go to your auto technician.
  • Faulty injection pressure sensor, ECU error

    • If perhaps you have any further questions about the Suzuki Grand Vitara, do not hesitate to consult our Suzuki Grand Vitara category.