A new warning light on your dashboard? You don’t figure out why it doesn’t turn off… It’s normal, an auto is elaborate and there are many causes why a light could occur. In cases where your glow plug light comes on while driving your Kia Picanto 3, it might reveal different issues. In this post, we will do anything we can to help you see things more clearly. First, we will discover how the preheating light on your Kia Picanto 3 works, and then the different reasons it lights up when you are driving

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What is the purpose of my Kia Picanto 3 glow plug light?

The main intent of the engine glow plug light, which is generally represented by a yellow coil, is to make sure that your glow plugs are working properly. Indeed, it must light up when you switch on your Kia Picanto 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 expected to stay or come on while driving with your motor vehicle. However, if it turns on while driving, it may show different failures, we will try to summarize the main ones.

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

A glow light that comes on while driving on your Kia Picanto 3 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 take a look at this right now. Whatever the case, plug in your car to the diagnostic tool will allow you to properly interpret the cause for the light up of your glow light.

My Kia Picanto 3 glow light comes on and I’m suffering from a loss of power

The first possibility is that you detect that your glow plug light comes on while driving your Kia Picanto 3 and that you also knowledge a loss of power. In this instance, different trouble can describe its lightning. Here is a list of the main causes:

  • Trouble 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 obvious that your preheat light comes on while driving on Kia Picanto 3 because it is one of the issue of which it is intended to warn you. Have the status of your valve inspected
  • Issue 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.
  • 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 disturb its proper performing.
  • Finally, the last trouble that could lead to a glow indicator light on your Kia Picanto 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 Picanto 3

To conclude, we’ll give you the reasons for a glow plug light that comes on on your Kia Picanto 3 without you feeling any difference in power or motor vehicle behaviour. In most cases, this is an electronic fault:

  • Glow plug relays or fuses to be changed, 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 get rid of the trouble.
  • You have a false contact somewhere in your electrical circuit, check the other options first because it is not easy to find it alone, we advise you to go to your repair shop.
  • Faulty injection pressure sensor, ECU error

    • If you wish more tutorials on the Kia Picanto 3, go to our Kia Picanto 3 category.