A new light on your dashboard? You don’t understand why it doesn’t switch off… It’s typical, a car is complicated and there are various causes why a light might occur. If your glow plug light comes on while driving your Peugeot 5008, it may suggest several things. In this article, we will do everything we can to help you see things more clearly. First, we will discover how the preheating light on your Peugeot 5008 operates, and then the different motives it lights up when you are driving

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What is the purpose of my Peugeot 5008 glow plug light?

The main goal of the engine glow plug light, which is generally symbolized by a yellow coil, is to guarantee that your glow plugs are working effectively. In reality, it must light up when you switch on your Peugeot 5008 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 car. But, if it turns on while driving, it may suggest several troubles, we will try to describe the main ones.

What to do if the glow plug light comes on while driving on my Peugeot 5008?

A glow light that comes on while driving on your Peugeot 5008 or at any other time other than when the engine is started is designed 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 accurately translate the cause for the light up of your glow light.

My Peugeot 5008 glow light comes on and I’m going through a loss of power

The first possibility is that you notice that your glow plug light comes on while driving your Peugeot 5008 and that you also knowledge a loss of power. In this instance, several problems can demonstrate its lightning. Here is a list of the main causes:

  • Problem of EGR valve, in fact, if you are affected a loss of power, it is possible that your EGR valve is clogged, in this instance, it is obvious that your preheat light comes on while driving on Peugeot 5008 because it is one of the issue of which it is meant to notify you. Have the status of your valve examined
  • Trouble related to the turbo overflow valve, in this situation the ECU can no longer control the turbo intake pressure, which can lead to 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 performance.
  • Finally, the last problem that could lead to a glow indicator light on your Peugeot 5008 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 Peugeot 5008

To conclude, we’ll give you the motives for a glow plug light that comes on on your Peugeot 5008 without you feeling any difference in power or car behaviour. Generally, this is an electronic fault:

  • Glow plug relays or fuses to be swapped out, test and change 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 resolve the problem.
  • You have a false contact somewhere in your electrical circuit, test out the other solutions first because it is not easy to find it alone, we recommend you to go to your technician.
  • Faulty injection pressure sensor, ECU error

    • If you want more guides on the Peugeot 5008, go to our Peugeot 5008 category.