A new light on your dashboard? You don’t figure out why it doesn’t shut off… It’s normal, an auto is complex and there are many causes why a light could occur. If it turns out your glow plug light comes on while driving your Bmw Serie 2 F22, it may show some issues. In the following paragraphs, we will do anything we can to support you see things more clearly. First, we will see how the preheating light on your Bmw Serie 2 F22 works, and then the different causes it lights up when you are driving

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What is the goal of my Bmw Serie 2 F22 glow plug light?

The main goal of the engine glow plug light, which is in most cases represented by a yellow coil, is to guarantee that your glow plugs are working properly. Indeed, it must light up when you switch on your Bmw Serie 2 F22 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 expected to stay or come on while driving with your vehicle. But, if it comes on while driving, it may indicate several issues, we will try to explain the main ones.

What to do if the glow plug light comes on while driving on my Bmw Serie 2 F22?

A glow light that comes on while driving on your Bmw Serie 2 F22 or at any other time other than when the engine is started is meant to warn 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 translate the cause for the light up of your glow light.

My Bmw Serie 2 F22 glow light comes on and I’m having a loss of power

The first probability is that you identify that your glow plug light comes on while driving your Bmw Serie 2 F22 and that you also encounter a loss of power. In this case, some complications can describe its presence. Here is a list of the main causes:

  • Problem of EGR valve, in reality, if you suffer 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 Bmw Serie 2 F22 because it is one of the failures of which it is intended to notify you. Have the status of your valve tested
  • Problem 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 performance of the turbo.
  • Problem associated with the injection, either an injector that has seized up or the injection pump that is broken by filings or other possible foreign bodies that affect its proper performance.
  • Finally, the last problem that could lead to a glow indicator light on your Bmw Serie 2 F22 coupled with a loss of power, is that your fuel filter is too dirty, you should encounter 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 Bmw Serie 2 F22

To conclude, we’ll give you the causes for a glow plug light that comes on on your Bmw Serie 2 F22 without you feeling any difference in power or vehicle behaviour. In most cases, this is an electronic fault:

  • 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 get rid of the problem.
  • 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 suggest you to go to your auto technician.
  • Faulty injection pressure sensor, ECU error
  • Whenever you have any further questions about the Bmw Serie 2 F22, do not hesitate to consult our Bmw Serie 2 F22 category.