A new light on your dashboard? You don’t understand why it doesn’t turn off… It’s normal, a vehicle is complicated and there are many reasons why a light might occur. In cases where your glow plug light comes on while driving your Peugeot 607, it may possibly signal several things. In this post, we will do everything we can to support you see things more clearly. First, we will find out how the preheating light on your Peugeot 607 operates, and then the different reasons it lights up when you are driving

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What is the goal of my Peugeot 607 glow plug light?

The primary purpose of the engine glow plug light, which is most of the time represented by a yellow coil, is to ensure that your glow plugs are working properly. In fact, it must light up when you switch on your Peugeot 607 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. However, if it comes on while driving, it may suggest several failures, we will try to explain the most important ones.

What to do if the glow plug light comes on while driving on my Peugeot 607?

A glow light that comes on while driving on your Peugeot 607 or at any other time other than when the engine is started is intended to warn you to a fault other than your spark plugs, we will take a look at this now. In any case, connecting your vehicle to the diagnostic tool will allow you to precisely understand the cause for the light up of your glow light.

My Peugeot 607 glow light comes on and I’m experiencing a loss of power

The first possibility is that you identify that your glow plug light comes on while driving your Peugeot 607 and that you also knowledge a loss of power. In such a case, several trouble can explain its lightning. Here is a list of the most important reasons:

  • Trouble of EGR valve, in reality, if you are affected a loss of power, it is possible that your EGR valve is blocked, in this case, it is expected that your preheat light comes on while driving on Peugeot 607 because it is one of the failures of which it is intended to notify you. Have the status of your valve tested
  • Problem linked to the turbo overflow valve, in this situation the ECU can no longer control the turbo intake pressure, which can bring about turbo boost and a disturbance in the operation of the turbo.
  • Problem in connection with the injection, either an injector that has seized up or the injection pump that is damaged by filings or other possible foreign bodies that affect its proper function.
  • Finally, the last issue that could lead to a glow indicator light on your Peugeot 607 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 607

To finish , we’ll give you the reasons for a glow plug light that comes on on your Peugeot 607 without you feeling any difference in power or automobile 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 get rid of the issue.
  • You have a false contact somewhere in your electrical circuit, test out 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
  • If you have any further questions about the Peugeot 607, do not hesitate to consult our Peugeot 607 category.