A new light on your dashboard? You don’t figure out why it doesn’t switch off… It’s normal, a vehicle is complicated and there are multiple motives why a light might come on. In the event that your glow plug light comes on while driving your Chevrolet City Express, it may signify several concerns. In the following paragraphs, we will do everything we can to help you see things more clearly. First, we will discover how the preheating light on your Chevrolet City Express works, and then the different causes it lights up when you are driving

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What is the purpose of my Chevrolet City Express glow plug light?

The main purpose of the engine glow plug light, which is in most cases represented by a yellow coil, is to ensure that your glow plugs are working correctly. In fact, it must light up when you switch on your Chevrolet City Express 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 vehicle. Nevertheless, if it turns on while driving, it may show several failures, we will try to describe the main ones.

What to do if the glow plug light comes on while driving on my Chevrolet City Express?

A glow light that comes on while driving on your Chevrolet City Express or at any other time other than when the engine is started is intended to warn you to a problem other than your spark plugs, we will look at this now. In any case, plug in your car to the diagnostic tool will allow you to properly interpret the cause for the light up of your glow light.

My Chevrolet City Express glow light comes on and I’m experiencing a loss of power

The first possibility is that you detect that your glow plug light comes on while driving your Chevrolet City Express and that you also knowledge a loss of power. In such a case, several trouble can demonstrate its lightning. Here is a list of the main motives:

  • Trouble of EGR valve, indeed, if you suffer a loss of power, it is possible that your EGR valve is blocked, in this instance, it is rational that your preheat light comes on while driving on Chevrolet City Express because it is one of the issue of which it is designed to alert you. Have the status of your valve inspected
  • Trouble associated with 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 performance of the turbo.
  • Trouble linked to 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 operation.
  • Finally, the last problem that could lead to a glow indicator light on your Chevrolet City Express 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 Chevrolet City Express

Finally, we’ll give you the causes for a glow plug light that comes on on your Chevrolet City Express without you feeling any difference in power or vehicle behaviour. Generally, 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 solve the problem.
  • You have a false contact somewhere in your electrical circuit, test out the other solutions first because it is not easy to find it alone, we encourage you to go to your auto technician.
  • Faulty injection pressure sensor, ECU error

    • If perhaps you have any additional questions about the Chevrolet City Express, do not hesitate to consult our Chevrolet City Express category.