A new warning light on your dashboard? You don’t figure out why it doesn’t turn off… It’s normal, a car is complex and there are multiple factors why a light could occur. In the event that your glow plug light comes on while driving your Mini Cooper, it might reveal different concerns. On this page, we will do everything we can to support you see things more clearly. First, we will see how the preheating light on your Mini Cooper functions, and then the different explanations it lights up when you are driving

glow-plug-light-mini-cooper

What is the goal of my Mini Cooper glow plug light?

The primary intent 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 properly. Indeed, it must light up when you switch on your Mini Cooper 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 motor vehicle. Nevertheless, if it turns on while driving, it may reveal several failures, we will try to summarize the main ones.

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

A glow light that comes on while driving on your Mini Cooper or at any other time other than when the engine is started is meant to inform you to a fault other than your spark plugs, we will look at this right now. No matter the reason, a switch to the diagnostic tool will allow you to precisely interpret the reason for the light up of your glow light.

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

The first probability is that you perceive that your glow plug light comes on while driving your Mini Cooper and that you also experience a loss of power. In such a case, different complications can demonstrate its lightning. Here is a list of the main factors:

  • 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 expected that your preheat light comes on while driving on Mini Cooper because it is one of the failures of which it is expected to warn you. Have the status of your valve checked out
  • Trouble associated with 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 performance 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 disturb its proper functioning.
  • Finally, the last problem that could lead to a glow indicator light on your Mini Cooper 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 Mini Cooper

To finish , we’ll give you the explanations for a glow plug light that comes on on your Mini Cooper without you feeling any difference in power or motor vehicle behaviour. In most cases, 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 resolve the problem.
  • You have a false contact somewhere in your electrical circuit, test out the other solutions first because it is not easy to find it alone, we advise you to go to your technician.
  • Faulty injection pressure sensor, ECU error

    • To get more tips on the Mini Cooper, take a look at the Mini Cooper category.