A new warning light on your dashboard? You don’t figure out why it doesn’t shut off… It’s typical, an automobile is complicated and there are multiple reasons why a light could occur. If your glow plug light comes on while driving your Ds Ds 4, it may indicate some things. In the following paragraphs, we will do anything we can to help you see things more clearly. First, we will find out how the preheating light on your Ds Ds 4 functions, and then the different motives it lights up when you are driving

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What is the purpose of my Ds Ds 4 glow plug light?

The primary goal of the engine glow plug light, which is in most cases represented by a yellow coil, is to make sure that your glow plugs are working properly. In reality, it must light up when you switch on your Ds Ds 4 to tell you that they are heating the intake air in your cylinders and must go out after a few moments when the engine is running. This preheat light is therefore not meant to stay or come on while driving with your automobile. Nevertheless, if it comes on while driving, it may reveal different troubles, we will try to explain the main ones.

What to do if the glow plug light comes on while driving on my Ds Ds 4?

A glow light that comes on while driving on your Ds Ds 4 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 look at this right now. In any case, a switch to the diagnostic tool will allow you to precisely understand the reason for the light up of your glow light.

My Ds Ds 4 glow light comes on and I’m suffering from a loss of power

The first situation is that you notice that your glow plug light comes on while driving your Ds Ds 4 and that you also experience a loss of power. In this instance, some trouble can explain its presence. Here is a list of the main reasons:

  • Problem of EGR valve, indeed, if you go through a loss of power, it is possible that your EGR valve is clogged, in such a case, it is expected that your preheat light comes on while driving on Ds Ds 4 because it is one of the failures of which it is intended to notify you. Have the status of your valve inspected
  • Issue associated with 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 performance of the turbo.
  • Issue associated 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 disrupt its proper performance.
  • Finally, the last issue that could lead to a glow indicator light on your Ds Ds 4 coupled with a loss of power, is that your fuel filter is too dirty, you should get 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 Ds Ds 4

Finally, we’ll give you the motives for a glow plug light that comes on on your Ds Ds 4 without you feeling any difference in power or automobile behaviour. Generally, 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 solve the issue.
  • You have a false contact somewhere in your electrical circuit, check the other solutions first because it is not easy to find it alone, we recommend you to go to your mechanic.
  • Faulty injection pressure sensor, ECU error

    • If you need more guides on the Ds Ds 4, go to our Ds Ds 4 category.