A new warning light on your dashboard? You don’t understand why it doesn’t shut off… It’s normal, an automobile is elaborate and there are many motives why a light may come on. In the event that your glow plug light comes on while driving your Ford C Max, it might suggest different things. In the following paragraphs, we will do anything we can to help you see things more clearly. First, we will discover how the preheating light on your Ford C Max operates, and then the different explanations it lights up when you are driving

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What is the role of my Ford C Max glow plug light?

The main role 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 properly. In fact, it must light up when you switch on your Ford C Max 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 automobile. Nevertheless, if it comes on while driving, it may show multiple issues, we will try to point out the most important ones.

What to do if the glow plug light comes on while driving on my Ford C Max?

A glow light that comes on while driving on your Ford C Max or at any other time other than when the engine is started is intended to notify you to a problem 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 precisely understand the cause for the light up of your glow light.

My Ford C Max glow light comes on and I’m having a loss of power

The first possibility is that you perceive that your glow plug light comes on while driving your Ford C Max and that you also encounter a loss of power. In this instance, different problems can demonstrate its lightning. Here is a list of the most important motives:

  • Trouble of EGR valve, in fact, if you undergo a loss of power, it is possible that your EGR valve is clogged, in such a case, it is obvious that your preheat light comes on while driving on Ford C Max because it is one of the problem of which it is intended to alert you. Have the status of your valve looked at
  • Problem related to the turbo overflow valve, in this situation the ECU can no longer manage the turbo intake pressure, which can result in turbo boost and a perturbation in the performance of the turbo.
  • Problem 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 performing.
  • Finally, the last issue that could lead to a glow indicator light on your Ford C Max 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 Ford C Max

To finish , we’ll give you the explanations for a glow plug light that comes on on your Ford C Max without you feeling any difference in power or automobile behaviour. Generally, this is an electronic problem:

  • 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 get rid of the issue.
  • You have a false contact somewhere in your electrical circuit, check the other options first because it is not easy to find it alone, we encourage you to go to your technician.
  • Faulty injection pressure sensor, ECU error

    • If you need more guides on the Ford C Max, go to our Ford C Max category.