A new light on your dashboard? You don’t understand why it doesn’t switch off… It’s typical, an automobile is complicated and there are many factors why a light could come on. If it turns out your glow plug light comes on while driving your Kia Cee D, it might point out some concerns. On this page, we will do anything we can to help you see things more clearly. First, we will see how the preheating light on your Kia Cee D works, and then the different causes it lights up when you are driving

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What is the goal of my Kia Cee D glow plug light?

The main 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 fact, it must light up when you switch on your Kia Cee D 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 expected to stay or come on while driving with your vehicle. However, if it turns on while driving, it may show several troubles, we will try to explain the main ones.

What to do if the glow plug light comes on while driving on my Kia Cee D?

A glow light that comes on while driving on your Kia Cee D or at any other time other than when the engine is started is meant to inform you to a fault other than your spark plugs, we will take a look at this right now. In any case, connecting your vehicle to the diagnostic tool will allow you to accurately translate the motive for the light up of your glow light.

My Kia Cee D glow light comes on and I’m experiencing a loss of power

The first situation is that you identify that your glow plug light comes on while driving your Kia Cee D and that you also knowledge a loss of power. In such a case, some complications can explain its lightning. Here is a list of the main factors:

  • Trouble of EGR valve, in fact, if you undergo a loss of power, it is possible that your EGR valve is clogged, in this instance, it is logical that your preheat light comes on while driving on Kia Cee D because it is one of the problem of which it is expected to warn you. Have the status of your valve checked out
  • Issue linked to the turbo overflow valve, in this situation the ECU can no longer manage the turbo intake pressure, which can cause turbo boost and a perturbation in the performance of the turbo.
  • Issue 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 function.
  • Finally, the last issue that could lead to a glow indicator light on your Kia Cee D 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 Kia Cee D

To conclude, we’ll give you the causes for a glow plug light that comes on on your Kia Cee D without you feeling any difference in power or vehicle behaviour. In general, this is an electronic fault:

  • Glow plug relays or fuses to be replaced, 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 fix the issue.
  • You have a false contact somewhere in your electrical circuit, check the other alternatives first because it is not easy to find it alone, we recommend you to go to your technician.
  • Faulty injection pressure sensor, ECU error

    • To find more tips on the Kia Cee D, take a look at the Kia Cee D category.