A new warning light on your dashboard? You don’t figure out why it doesn’t shut off… It’s typical, an auto is complicated and there are various reasons why a light could occur. In cases where your glow plug light comes on while driving your Dacia Sandero 2, it may point out several concerns. In this post, we will do everything we can to help you see things more clearly. First, we will see how the preheating light on your Dacia Sandero 2 works, and then the different motives it lights up when you are driving

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What is the goal of my Dacia Sandero 2 glow plug light?

The main purpose of the engine glow plug light, which is in most cases symbolized by a yellow coil, is to guarantee that your glow plugs are working effectively. In fact, it must light up when you switch on your Dacia Sandero 2 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 vehicle. Nevertheless, if it comes on while driving, it may suggest several failures, we will try to detail the most important ones.

What to do if the glow plug light comes on while driving on my Dacia Sandero 2?

A glow light that comes on while driving on your Dacia Sandero 2 or at any other time other than when the engine is started is meant to alert you to a fault other than your spark plugs, we will take a look at this right now. In any case, a switch to the diagnostic tool will allow you to precisely understand the explanation for the light up of your glow light.

My Dacia Sandero 2 glow light comes on and I’m encountering a loss of power

The first possibility is that you recognize that your glow plug light comes on while driving your Dacia Sandero 2 and that you also experience a loss of power. In this case, several trouble can demonstrate its lightning. Here is a list of the most important reasons:

  • Trouble of EGR valve, in fact, if you undergo a loss of power, it is possible that your EGR valve is clogged, in this case, it is obvious that your preheat light comes on while driving on Dacia Sandero 2 because it is one of the problem of which it is designed to warn you. Have the status of your valve inspected
  • Trouble linked 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 perturbation in the operation of the turbo.
  • Trouble linked to the injection, either an injector that has seized up or the injection pump that is broken by filings or other possible foreign bodies that disturb its proper performing.
  • Finally, the last problem that could lead to a glow indicator light on your Dacia Sandero 2 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 Dacia Sandero 2

To finish , we’ll give you the motives for a glow plug light that comes on on your Dacia Sandero 2 without you feeling any difference in power or vehicle 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 fix the problem.
  • You have a false contact somewhere in your electrical circuit, check the other options first because it is not easy to find it alone, we advise you to go to your auto technician.
  • Faulty injection pressure sensor, ECU error

    • If you want more guides on the Dacia Sandero 2, go to our Dacia Sandero 2 category.