A new warning light on your dashboard? You don’t understand why it doesn’t turn off… It’s typical, an automobile is elaborate and there are multiple reasons why a light might occur. In the event that your glow plug light comes on while driving your Ford Transit, it may possibly signify different things. In the following paragraphs, we will do everything we can to support you see things more clearly. First, we will see how the preheating light on your Ford Transit functions, and then the different explanations it lights up when you are driving


What is the goal of my Ford Transit glow plug light?

The primary role of the engine glow plug light, which is in most cases represented by a yellow coil, is to ensure that your glow plugs are working properly. In reality, it must light up when you switch on your Ford Transit 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 vehicle. But, if it turns on while driving, it may indicate multiple troubles, we will try to summarize the most important ones.

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

A glow light that comes on while driving on your Ford Transit or at any other time other than when the engine is started is intended 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 accurately translate the cause for the light up of your glow light.

My Ford Transit glow light comes on and I’m experiencing a loss of power

The first situation is that you recognize that your glow plug light comes on while driving your Ford Transit and that you also experience a loss of power. In this instance, different concerns can demonstrate its lightning. Here is a list of the most important reasons:

  • Issue of EGR valve, in reality, if you undergo a loss of power, it is possible that your EGR valve is blocked, in this case, it is obvious that your preheat light comes on while driving on Ford Transit because it is one of the problem of which it is intended to notify you. Have the status of your valve checked
  • Trouble associated with the turbo overflow valve, in this situation the ECU can no longer control the turbo intake pressure, which can lead to turbo boost and a disturbance in the performance of the turbo.
  • Trouble 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 functioning.
  • Finally, the last problem that could lead to a glow indicator light on your Ford Transit coupled with a loss of power, is that your fuel filter is too dirty, you should come to feel 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 Transit

Finally, we’ll give you the explanations for a glow plug light that comes on on your Ford Transit without you feeling any difference in power or vehicle behaviour. Generally, this is an electronic fault:

  • Glow plug relays or fuses to be changed, 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 solve the problem.
  • You have a false contact somewhere in your electrical circuit, test the other alternatives first because it is not easy to find it alone, we encourage you to go to your repair shop.
  • Faulty injection pressure sensor, ECU error
  • If you need more guides on the Ford Transit, go to our Ford Transit category.