A new warning light on your dashboard? You don’t figure out why it doesn’t switch off… It’s normal, a vehicle is complicated and there are various factors why a light may come on. In cases where your glow plug light comes on while driving your Renault Talisman, it may show some concerns. In the following paragraphs, we will do everything we can to support you see things more clearly. First, we will discover how the preheating light on your Renault Talisman works, and then the different causes it lights up when you are driving

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What is the purpose of my Renault Talisman glow plug light?

The primary role of the engine glow plug light, which is generally represented by a yellow coil, is to guarantee that your glow plugs are working properly. Indeed, it must light up when you switch on your Renault Talisman 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. But, if it turns on while driving, it may indicate multiple issues, we will try to explain the main ones.

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

A glow light that comes on while driving on your Renault Talisman 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 look at this now. No matter the reason, connecting your vehicle to the diagnostic tool will allow you to precisely interpret the motive for the light up of your glow light.

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

The first probability is that you perceive that your glow plug light comes on while driving your Renault Talisman and that you also experience a loss of power. In such a case, some problems can demonstrate its presence. Here is a list of the main factors:

  • 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 Talisman because it is one of the failures of which it is intended to warn you. Have the status of your valve looked at
  • Trouble related to the turbo overflow valve, in this situation the ECU can no longer control the turbo intake pressure, which can cause turbo boost and a disturbance in the performance of the turbo.
  • Trouble 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 disturb its proper operation.
  • Finally, the last issue that could lead to a glow indicator light on your Renault Talisman 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 Renault Talisman

To conclude, we’ll give you the causes for a glow plug light that comes on on your Renault Talisman without you feeling any difference in power or car behaviour. In general, 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 solve 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 recommend you to go to your auto technician.
  • Faulty injection pressure sensor, ECU error

    • In the event that you have any additional questions about the Renault Talisman, do not hesitate to consult our Renault Talisman category.