A new warning light on your dashboard? You don’t understand why it doesn’t shut off… It’s normal, a vehicle is complicated and there are various reasons why a light may come on. If your glow plug light comes on while driving your Ford F 150 , it may suggest several problems. In this article, we will do anything we can to help you see things more clearly. First, we will see how the preheating light on your Ford F 150  works, and then the different reasons it lights up when you are driving

glow-plug-light-ford-f-150 

What is the purpose of my Ford F 150  glow plug light?

The primary role of the engine glow plug light, which is most of the time represented 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 Ford F 150  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 automobile. But, if it turns on while driving, it may indicate several troubles, we will try to describe the most important ones.

What to do if the glow plug light comes on while driving on my Ford F 150 ?

A glow light that comes on while driving on your Ford F 150  or at any other time other than when the engine is started is meant to notify you to a problem other than your spark plugs, we will look at this now. In any case, a switch to the diagnostic tool will allow you to precisely understand the motive for the light up of your glow light.

My Ford F 150  glow light comes on and I’m experiencing a loss of power

The first probability is that you identify that your glow plug light comes on while driving your Ford F 150  and that you also encounter a loss of power. In this case, several trouble can explain its presence. Here is a list of the most important reasons:

  • Issue of EGR valve, in reality, if you go through a loss of power, it is possible that your EGR valve is blocked, in this instance, it is rational that your preheat light comes on while driving on Ford F 150  because it is one of the issue of which it is supposed to warn you. Have the status of your valve tested
  • Problem related to the turbo overflow valve, in this situation the ECU can no longer manage the turbo intake pressure, which can lead to turbo boost and a disturbance in the operation of the turbo.
  • Problem relevant to the injection, either an injector that has seized up or the injection pump that is damaged by filings or other possible foreign bodies that disrupt its proper function.
  • Finally, the last issue that could lead to a glow indicator light on your Ford F 150  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 Ford F 150 

To finish , we’ll give you the reasons for a glow plug light that comes on on your Ford F 150  without you feeling any difference in power or automobile behaviour. Ordinarily, this is an electronic problem:

  • Glow plug relays or fuses to be swapped out, 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 solve the issue.
  • 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 encourage you to go to your auto mechanic.
  • Faulty injection pressure sensor, ECU error

    • To get more tips on the Ford F 150 , take a look at the Ford F 150  category.