A new light on your dashboard? You don’t understand why it doesn’t shut off… It’s typical, a vehicle is elaborate and there are many reasons why a light may come on. If your glow plug light comes on while driving your Suzuki Vitara, it may show several things. In this post, we will do anything we can to support you see things more clearly. First, we will find out how the preheating light on your Suzuki Vitara functions, and then the different explanations it lights up when you are driving

glow-plug-light-suzuki-vitara

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

The primary goal of the engine glow plug light, which is generally represented by a yellow coil, is to ensure that your glow plugs are working correctly. In reality, it must light up when you switch on your Suzuki 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 supposed to stay or come on while driving with your vehicle. But, if it turns on while driving, it may reveal different troubles, we will try to point out the most important ones.

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

A glow light that comes on while driving on your Suzuki Vitara 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 take a look at this now. In any case, connecting your vehicle to the diagnostic tool will allow you to properly understand the cause for the light up of your glow light.

My Suzuki Vitara glow light comes on and I’m going through a loss of power

The first possibility is that you perceive that your glow plug light comes on while driving your Suzuki Vitara and that you also knowledge a loss of power. In this case, several complications can demonstrate its presence. Here is a list of the most important reasons:

  • Issue of EGR valve, indeed, if you are affected a loss of power, it is possible that your EGR valve is clogged, in such a case, it is logical that your preheat light comes on while driving on Suzuki Vitara because it is one of the issue of which it is supposed to notify you. Have the status of your valve examined
  • Problem 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.
  • Problem linked to 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 problem that could lead to a glow indicator light on your Suzuki Vitara 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 Suzuki Vitara

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

  • 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 resolve 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 technician.
  • Faulty injection pressure sensor, ECU error

    • To find more tips on the Suzuki Vitara, take a look at the Suzuki Vitara category.