A new light on your dashboard? You don’t find out why it doesn’t turn off… It’s normal, a car is elaborate and there are various factors why a light may come on. In the event that your glow plug light comes on while driving your volvo v70, it may possibly point out several things. In this article, we will do everything we can to support you see things more clearly. First, we will discover how the preheating light on your volvo v70 works, and then the different causes it lights up when you are driving

glow-plug-light-volvo-v70

What is the goal of my volvo v70 glow plug light?

The main purpose of the engine glow plug light, which is most of the time symbolized by a yellow coil, is to guarantee that your glow plugs are working correctly. In reality, it must light up when you switch on your volvo v70 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 meant to stay or come on while driving with your vehicle. But, if it turns on while driving, it may show multiple issues, we will try to summarize the main ones.

What to do if the glow plug light comes on while driving on my volvo v70?

A glow light that comes on while driving on your volvo v70 or at any other time other than when the engine is started is meant to inform you to a problem other than your spark plugs, we will take a look at this now. Whatever the case, a switch to the diagnostic tool will allow you to accurately understand the cause for the light up of your glow light.

My volvo v70 glow light comes on and I’m going through a loss of power

The first situation is that you detect that your glow plug light comes on while driving your volvo v70 and that you also encounter a loss of power. In this case, several concerns can describe its presence. Here is a list of the main factors:

  • Issue of EGR valve, indeed, if you undergo a loss of power, it is possible that your EGR valve is clogged, in such a case, it is logical that your preheat light comes on while driving on volvo v70 because it is one of the issue of which it is meant 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 cause turbo boost and a perturbation in the operation of the turbo.
  • Trouble associated 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 disrupt its proper performance.
  • Finally, the last problem that could lead to a glow indicator light on your volvo v70 coupled with a loss of power, is that your fuel filter is too dirty, you should encounter 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 volvo v70

To finish , we’ll give you the causes for a glow plug light that comes on on your volvo v70 without you feeling any difference in power or vehicle behaviour. Generally, this is an electronic problem:

  • Glow plug relays or fuses to be changed, 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 fix the problem.
  • You have a false contact somewhere in your electrical circuit, test out the other alternatives 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 volvo v70, go to our volvo v70 category.