A new warning light on your dashboard? You don’t figure out why it doesn’t shut off… It’s normal, an auto is elaborate and there are many factors why a light could come on. In cases where your glow plug light comes on while driving your Renault Latitude, it may suggest several problems. On this page, we will do anything we can to help you see things more clearly. First, we will find out how the preheating light on your Renault Latitude operates, and then the different explanations it lights up when you are driving

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What is the purpose of my Renault Latitude glow plug light?

The main role 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 Renault Latitude 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. However, if it comes on while driving, it may suggest different failures, we will try to describe the main ones.

What to do if the glow plug light comes on while driving on my Renault Latitude?

A glow light that comes on while driving on your Renault Latitude 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 check out this right now. In any case, plug in your car to the diagnostic tool will allow you to properly translate the reason for the light up of your glow light.

My Renault Latitude glow light comes on and I’m having a loss of power

The first possibility is that you perceive that your glow plug light comes on while driving your Renault Latitude and that you also experience a loss of power. In this instance, several problems can explain its lightning. Here is a list of the main factors:

  • Trouble of EGR valve, in reality, if you undergo a loss of power, it is possible that your EGR valve is clogged, in such a case, it is rational that your preheat light comes on while driving on Renault Latitude because it is one of the failures of which it is intended to warn you. Have the status of your valve examined
  • Trouble linked to the turbo overflow valve, in this situation the ECU can no longer manage the turbo intake pressure, which can bring about 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 malfunctioned by filings or other possible foreign bodies that affect its proper performance.
  • Finally, the last problem that could lead to a glow indicator light on your Renault Latitude 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 Renault Latitude

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

  • Glow plug relays or fuses to be replaced, 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 get rid of the problem.
  • You have a false contact somewhere in your electrical circuit, test out the other options first because it is not easy to find it alone, we advise you to go to your technician.
  • Faulty injection pressure sensor, ECU error
  • If perhaps you have any further questions about the Renault Latitude, do not hesitate to consult our Renault Latitude category.