A new warning light on your dashboard? You don’t figure out why it doesn’t switch off… It’s typical, a vehicle is complicated and there are various motives why a light may occur. In cases where your glow plug light comes on while driving your Jeep Renegade, it may possibly signal some things. On this page, we will do anything we can to help you see things more clearly. First, we will see how the preheating light on your Jeep Renegade operates, and then the different motives it lights up when you are driving

glow-plug-light-jeep-renegade

What is the role of my Jeep Renegade 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 Jeep Renegade 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 supposed to stay or come on while driving with your car. But, if it comes on while driving, it may suggest different issues, we will try to explain the main ones.

What to do if the glow plug light comes on while driving on my Jeep Renegade?

A glow light that comes on while driving on your Jeep Renegade or at any other time other than when the engine is started is intended to notify you to a fault other than your spark plugs, we will look at this right now. In any case, plug in your car to the diagnostic tool will allow you to properly translate the explanation for the light up of your glow light.

My Jeep Renegade glow light comes on and I’m encountering a loss of power

The first possibility is that you identify that your glow plug light comes on while driving your Jeep Renegade and that you also knowledge a loss of power. In such a case, some concerns can describe its presence. Here is a list of the main motives:

  • Problem 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 obvious that your preheat light comes on while driving on Jeep Renegade because it is one of the problem of which it is expected to notify you. Have the status of your valve examined
  • Trouble 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 performance of the turbo.
  • Trouble associated with the injection, either an injector that has seized up or the injection pump that is destroyed by filings or other possible foreign bodies that disturb its proper functioning.
  • Finally, the last issue that could lead to a glow indicator light on your Jeep Renegade 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 Jeep Renegade

Finally, we’ll give you the motives for a glow plug light that comes on on your Jeep Renegade without you feeling any difference in power or car behaviour. In most cases, 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 resolve the issue.
  • 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 encourage you to go to your mechanic.
  • Faulty injection pressure sensor, ECU error

    • If you wish more guides on the Jeep Renegade, go to our Jeep Renegade category.