A new light on your dashboard? You don’t find out why it doesn’t shut off… It’s normal, an automobile is elaborate and there are many factors why a light could occur. In cases where your glow plug light comes on while driving your Lincoln MKS, it might indicate different things. In this post, we will do anything we can to help you see things more clearly. First, we will see how the preheating light on your Lincoln MKS operates, and then the different reasons it lights up when you are driving

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What is the goal of my Lincoln MKS glow plug light?

The main goal of the engine glow plug light, which is most of the time represented by a yellow coil, is to assure that your glow plugs are working correctly. In fact, it must light up when you switch on your Lincoln MKS 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 vehicle. But, if it comes on while driving, it may show different troubles, we will try to summarize the most important ones.

What to do if the glow plug light comes on while driving on my Lincoln MKS?

A glow light that comes on while driving on your Lincoln MKS or at any other time other than when the engine is started is designed to notify you to a fault other than your spark plugs, we will check out this now. In any case, plug in your car to the diagnostic tool will allow you to accurately translate the explanation for the light up of your glow light.

My Lincoln MKS glow light comes on and I’m having a loss of power

The first probability is that you detect that your glow plug light comes on while driving your Lincoln MKS and that you also knowledge a loss of power. In this case, different concerns can demonstrate its presence. Here is a list of the most important factors:

  • Problem 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 logical that your preheat light comes on while driving on Lincoln MKS because it is one of the problem of which it is expected to notify you. Have the status of your valve tested
  • Problem associated with the turbo overflow valve, in this situation the ECU can no longer manage the turbo intake pressure, which can cause turbo boost and a disturbance in the performance of the turbo.
  • Problem in connection 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 disturb its proper operation.
  • Finally, the last issue that could lead to a glow indicator light on your Lincoln MKS 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 Lincoln MKS

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

  • 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 resolve 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 technician.
  • Faulty injection pressure sensor, ECU error
  • If you have any additional questions about the Lincoln MKS, do not hesitate to consult our Lincoln MKS category.