A new warning light on your dashboard? You don’t find out why it doesn’t turn off… It’s normal, a car is complex and there are many causes why a light might come on. In the event that your glow plug light comes on while driving your Chrysler 300, it may point out different problems. In the following paragraphs, we will do anything we can to help you see things more clearly. First, we will discover how the preheating light on your Chrysler 300 works, and then the different explanations it lights up when you are driving

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What is the purpose of my Chrysler 300 glow plug light?

The primary purpose of the engine glow plug light, which is generally represented by a yellow coil, is to assure that your glow plugs are working correctly. In reality, it must light up when you switch on your Chrysler 300 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 vehicle. However, if it turns on while driving, it may indicate multiple troubles, we will try to summarize the most important ones.

What to do if the glow plug light comes on while driving on my Chrysler 300?

A glow light that comes on while driving on your Chrysler 300 or at any other time other than when the engine is started is meant to notify you to a problem other than your spark plugs, we will look at this right now. No matter the reason, connecting your vehicle to the diagnostic tool will allow you to accurately interpret the motive for the light up of your glow light.

My Chrysler 300 glow light comes on and I’m having a loss of power

The first possibility is that you notice that your glow plug light comes on while driving your Chrysler 300 and that you also knowledge a loss of power. In this case, different problems can demonstrate its lightning. Here is a list of the most important causes:

  • Problem of EGR valve, in reality, if you suffer a loss of power, it is possible that your EGR valve is clogged, in this case, it is logical that your preheat light comes on while driving on Chrysler 300 because it is one of the problem of which it is supposed to warn you. Have the status of your valve looked at
  • Trouble related to the turbo overflow valve, in this situation the ECU can no longer control the turbo intake pressure, which can lead to turbo boost and a disturbance in the performance of the turbo.
  • Trouble in connection with the injection, either an injector that has seized up or the injection pump that is broken by filings or other possible foreign bodies that affect its proper functioning.
  • Finally, the last trouble that could lead to a glow indicator light on your Chrysler 300 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 Chrysler 300

To finish , we’ll give you the explanations for a glow plug light that comes on on your Chrysler 300 without you feeling any difference in power or vehicle behaviour. Ordinarily, this is an electronic problem:

  • 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 get rid of the trouble.
  • 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 repair shop.
  • Faulty injection pressure sensor, ECU error

    • In the event that you have any additional questions about the Chrysler 300, do not hesitate to consult our Chrysler 300 category.