A new warning light on your dashboard? You don’t understand why it doesn’t switch off… It’s typical, a car is complicated and there are many factors why a light might occur. In the event that your glow plug light comes on while driving your Peugeot 4008, it might suggest several problems. In the following paragraphs, we will do anything we can to support you see things more clearly. First, we will see how the preheating light on your Peugeot 4008 operates, and then the different explanations it lights up when you are driving

glow-plug-light-peugeot-4008

What is the goal of my Peugeot 4008 glow plug light?

The main purpose of the engine glow plug light, which is generally represented by a yellow coil, is to guarantee that your glow plugs are working correctly. Indeed, it must light up when you switch on your Peugeot 4008 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 automobile. But, if it comes on while driving, it may suggest multiple failures, we will try to point out the most important ones.

What to do if the glow plug light comes on while driving on my Peugeot 4008?

A glow light that comes on while driving on your Peugeot 4008 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 take a look at this now. No matter the reason, plug in your car to the diagnostic tool will allow you to properly interpret the explanation for the light up of your glow light.

My Peugeot 4008 glow light comes on and I’m having a loss of power

The first possibility is that you recognize that your glow plug light comes on while driving your Peugeot 4008 and that you also experience a loss of power. In such a case, several problems can demonstrate its presence. Here is a list of the most important factors:

  • Problem of EGR valve, indeed, if you undergo a loss of power, it is possible that your EGR valve is blocked, in this case, it is logical that your preheat light comes on while driving on Peugeot 4008 because it is one of the issue of which it is intended to notify you. Have the status of your valve looked at
  • Trouble associated with the turbo overflow valve, in this situation the ECU can no longer manage the turbo intake pressure, which can lead to turbo boost and a perturbation in the performance of the turbo.
  • Trouble associated with the injection, either an injector that has seized up or the injection pump that is destroyed by filings or other possible foreign bodies that disrupt its proper operation.
  • Finally, the last problem that could lead to a glow indicator light on your Peugeot 4008 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 Peugeot 4008

To finish , we’ll give you the explanations for a glow plug light that comes on on your Peugeot 4008 without you feeling any difference in power or automobile behaviour. Ordinarily, 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 resolve the problem.
  • You have a false contact somewhere in your electrical circuit, check the other alternatives first because it is not easy to find it alone, we suggest you to go to your technician.
  • Faulty injection pressure sensor, ECU error

    • In the event that you have any additional questions about the Peugeot 4008, do not hesitate to consult our Peugeot 4008 category.