A new light on your dashboard? You don’t find out why it doesn’t turn off… It’s normal, a vehicle is complex and there are many reasons why a light could come on. If it turns out your glow plug light comes on while driving your Renault Clio 4, it may possibly indicate different concerns. On this page, we will do anything we can to support you see things more clearly. First, we will see how the preheating light on your Renault Clio 4 operates, and then the different motives it lights up when you are driving

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What is the role of my Renault Clio 4 glow plug light?

The primary intent of the engine glow plug light, which is in most cases 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 Renault Clio 4 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 car. However, if it turns on while driving, it may suggest multiple troubles, we will try to describe the main ones.

What to do if the glow plug light comes on while driving on my Renault Clio 4?

A glow light that comes on while driving on your Renault Clio 4 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 take a look at this right now. Whatever the case, connecting your vehicle to the diagnostic tool will allow you to precisely translate the reason for the light up of your glow light.

My Renault Clio 4 glow light comes on and I’m experiencing a loss of power

The first situation is that you detect that your glow plug light comes on while driving your Renault Clio 4 and that you also knowledge a loss of power. In this case, different trouble can demonstrate its presence. Here is a list of the main reasons:

  • Problem of EGR valve, indeed, if you suffer a loss of power, it is possible that your EGR valve is blocked, in such a case, it is obvious that your preheat light comes on while driving on Renault Clio 4 because it is one of the failures of which it is supposed to alert 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 bring about turbo boost and a disturbance in the performance 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 performance.
  • Finally, the last issue that could lead to a glow indicator light on your Renault Clio 4 coupled with a loss of power, is that your fuel filter is too dirty, you should feel 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 Renault Clio 4

To finish , we’ll give you the motives for a glow plug light that comes on on your Renault Clio 4 without you feeling any difference in power or car behaviour. In most cases, 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 get rid of the issue.
  • You have a false contact somewhere in your electrical circuit, test the other alternatives 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 want more guides on the Renault Clio 4, go to our Renault Clio 4 category.