A new 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 various reasons why a light might occur. If your glow plug light comes on while driving your Renault Espace 5, it might reveal several problems. On this page, we will do everything we can to support you see things more clearly. First, we will discover how the preheating light on your Renault Espace 5 works, and then the different causes it lights up when you are driving

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What is the role of my Renault Espace 5 glow plug light?

The primary goal of the engine glow plug light, which is in most cases symbolized by a yellow coil, is to assure that your glow plugs are working effectively. Indeed, it must light up when you switch on your Renault Espace 5 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 meant to stay or come on while driving with your vehicle. But, if it comes on while driving, it may suggest different failures, we will try to detail the most important ones.

What to do if the glow plug light comes on while driving on my Renault Espace 5?

A glow light that comes on while driving on your Renault Espace 5 or at any other time other than when the engine is started is meant to notify you to a fault other than your spark plugs, we will take a look at this right now. In any case, a switch to the diagnostic tool will allow you to accurately translate the reason for the light up of your glow light.

My Renault Espace 5 glow light comes on and I’m encountering a loss of power

The first situation is that you perceive that your glow plug light comes on while driving your Renault Espace 5 and that you also encounter a loss of power. In this instance, several complications can demonstrate its presence. Here is a list of the most important reasons:

  • Issue of EGR valve, in reality, if you go through a loss of power, it is possible that your EGR valve is blocked, in such a case, it is logical that your preheat light comes on while driving on Renault Espace 5 because it is one of the problem of which it is intended to warn you. Have the status of your valve examined
  • Issue 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.
  • 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 disrupt its proper performing.
  • Finally, the last problem that could lead to a glow indicator light on your Renault Espace 5 coupled with a loss of power, is that your fuel filter is too dirty, you should come to 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 Espace 5

Finally, we’ll give you the causes for a glow plug light that comes on on your Renault Espace 5 without you feeling any difference in power or vehicle behaviour. In most cases, 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 get rid of the problem.
  • You have a false contact somewhere in your electrical circuit, test the other options first because it is not easy to find it alone, we encourage you to go to your auto technician.
  • Faulty injection pressure sensor, ECU error
  • To discover more tips on the Renault Espace 5, take a look at the Renault Espace 5 category.