A new warning light on your dashboard? You don’t figure out why it doesn’t turn off… It’s typical, a vehicle is complicated and there are many causes why a light could occur. In cases where your glow plug light comes on while driving your Mini Mini, it may point out several issues. On this page, we will do anything we can to help you see things more clearly. First, we will discover how the preheating light on your Mini Mini functions, and then the different reasons it lights up when you are driving

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What is the role of my Mini Mini glow plug light?

The primary role of the engine glow plug light, which is most of the time symbolized by a yellow coil, is to make sure that your glow plugs are working effectively. Indeed, it must light up when you switch on your Mini Mini 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 motor vehicle. But, if it comes on while driving, it may suggest different failures, we will try to describe the most important ones.

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

A glow light that comes on while driving on your Mini Mini or at any other time other than when the engine is started is intended to warn you to a problem other than your spark plugs, we will check out this right now. In any case, a switch to the diagnostic tool will allow you to precisely translate the motive for the light up of your glow light.

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

The first situation is that you recognize that your glow plug light comes on while driving your Mini Mini and that you also knowledge a loss of power. In this instance, several complications can describe its lightning. Here is a list of the most important causes:

  • Problem of EGR valve, in fact, if you are affected a loss of power, it is possible that your EGR valve is blocked, in such a case, it is logical that your preheat light comes on while driving on Mini Mini because it is one of the failures of which it is supposed to alert you. Have the status of your valve checked
  • Trouble 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 perturbation in the operation of the turbo.
  • Trouble related to the injection, either an injector that has seized up or the injection pump that is malfunctioned by filings or other possible foreign bodies that disrupt its proper function.
  • Finally, the last problem that could lead to a glow indicator light on your Mini Mini 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 Mini Mini

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

  • Glow plug relays or fuses to be swapped out, 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 problem.
  • 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 suggest you to go to your auto technician.
  • Faulty injection pressure sensor, ECU error
  • In the event that you have any further questions about the Mini Mini, do not hesitate to consult our Mini Mini category.