A new light on your dashboard? You don’t understand why it doesn’t turn off… It’s normal, a car is complex and there are many reasons why a light might occur. In the event that your glow plug light comes on while driving your Renault Captur, it may possibly reveal some problems. In this post, we will do anything we can to support you see things more clearly. First, we will find out how the preheating light on your Renault Captur works, and then the different motives it lights up when you are driving

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What is the role of my Renault Captur glow plug light?

The main purpose of the engine glow plug light, which is in most cases represented by a yellow coil, is to assure that your glow plugs are working properly. In reality, it must light up when you switch on your Renault Captur 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 meant to stay or come on while driving with your motor vehicle. Nevertheless, if it comes on while driving, it may indicate multiple failures, we will try to detail the most important ones.

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

A glow light that comes on while driving on your Renault Captur or at any other time other than when the engine is started is intended to notify you to a problem other than your spark plugs, we will check out this right now. Whatever the case, plug in your car to the diagnostic tool will allow you to carefully understand the cause for the light up of your glow light.

My Renault Captur 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 Renault Captur and that you also knowledge a loss of power. In this instance, some trouble can explain its lightning. Here is a list of the most important reasons:

  • Trouble 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 expected that your preheat light comes on while driving on Renault Captur because it is one of the failures of which it is expected to notify you. Have the status of your valve looked at
  • Issue linked to the turbo overflow valve, in this situation the ECU can no longer manage the turbo intake pressure, which can result in turbo boost and a disturbance in the operation of the turbo.
  • Issue relevant 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 performance.
  • Finally, the last problem that could lead to a glow indicator light on your Renault Captur coupled with a loss of power, is that your fuel filter is too dirty, you should experience 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 Captur

To finish , we’ll give you the motives for a glow plug light that comes on on your Renault Captur without you feeling any difference in power or motor vehicle behaviour. In general, this is an electronic problem:

  • 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 solve the problem.
  • 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 auto mechanic.
  • Faulty injection pressure sensor, ECU error

    • If you need more guides on the Renault Captur, go to our Renault Captur category.