A new warning light on your dashboard? You don’t figure out why it doesn’t shut off… It’s typical, a car is complex and there are many factors why a light might come on. If your glow plug light comes on while driving your Kia Rio 3, it might point out different issues. In this post, we will do anything we can to support you see things more clearly. First, we will find out how the preheating light on your Kia Rio 3 functions, and then the different causes it lights up when you are driving

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What is the purpose of my Kia Rio 3 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 ensure that your glow plugs are working effectively. In reality, it must light up when you switch on your Kia Rio 3 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 motor vehicle. But, if it turns on while driving, it may reveal different troubles, we will try to point out the main ones.

What to do if the glow plug light comes on while driving on my Kia Rio 3?

A glow light that comes on while driving on your Kia Rio 3 or at any other time other than when the engine is started is intended to warn you to a problem other than your spark plugs, we will look at this now. No matter the reason, plug in your car to the diagnostic tool will allow you to precisely understand the reason for the light up of your glow light.

My Kia Rio 3 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 Kia Rio 3 and that you also encounter a loss of power. In this instance, different problems can explain its presence. Here is a list of the main factors:

  • Problem of EGR valve, in fact, if you go through a loss of power, it is possible that your EGR valve is clogged, in this case, it is rational that your preheat light comes on while driving on Kia Rio 3 because it is one of the failures of which it is expected to notify you. Have the status of your valve inspected
  • Trouble 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.
  • Trouble relevant 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 disrupt its proper performing.
  • Finally, the last issue that could lead to a glow indicator light on your Kia Rio 3 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 Rio 3

To finish , we’ll give you the causes for a glow plug light that comes on on your Kia Rio 3 without you feeling any difference in power or motor vehicle behaviour. Generally, this is an electronic problem:

  • 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 solve the issue.
  • You have a false contact somewhere in your electrical circuit, test out the other alternatives first because it is not easy to find it alone, we encourage you to go to your mechanic.
  • Faulty injection pressure sensor, ECU error

    • Whenever you have any additional questions about the Kia Rio 3, do not hesitate to consult our Kia Rio 3 category.