Today’s vehicles are a constant source of hassle of all types, and between frequent routine service and unforeseen break downs, they often be a big budget item. But unfortunately, not all breakdowns are just a matter of money. Some of them can jeopardize our security, such as when your Volvo XC90 accelerates by itself . That’s what today’s content is about. We know that this behavior of your Volvo XC90 can be really dangerous and scare you, so you should resolve this as quickly as possible since using your Volvo XC90 if this is the circumstance is anything but safe. That’s why we’re going to start with your Volvo XC90 accelerating on its own when cold, and then we’ll see how your Volvo XC90 accelerating on its own when hot accelerates.



First we will treat the concerns about your Volvo XC90 accelerating by itself only when cold. First approach, it is most likely that your automatic starter is out of adjustment or defective , and yes, when cold it will be activated and if it is inaccurately adjusted, it can send the wrong information to the intake and this can result in too high an engine unit idle speed. The second opportunity is that your temperature sensor is in poor state , so your Volvo XC90 accelerates by itself when cold, as it will in most cases work better and give the right information to the ECU when warm. If you have checked out these two things and they are not the cause for your concern, you will need to take your Volvo XC90 to your technician.

MY Volvo XC90 accelerates for no reason When HOT

We will now see how your Volvo XC90 accelerates on its own even when hot. So if your car is a petrol car, don’t forget to check out the state of your throttle body. Undeniably, the throttle body, when clogged, can bring about problems with the air supply to the inside of your engine when hot, in which circumstance your air/fuel mixture might not be good and your Volvo XC90’s idle speed may get out of control, so it’s actually quite basic to clean this part. Additionally, if your idle speed control is clogged, as the name suggests, this part is designed to control the idle speed of your Volvo XC90, so it’s easy to take out and clean it to see if it’s not the trigger of your concern. At last, in the most common reasons for an engine unit to run out of fuel on an Volvo XC90, a weakened alternator can bring about an Volvo XC90 to accelerate on its own even when hot. Undeniably, the alternator that supplies power to your car will, if it tires, supply much less power and the car that realizes this will raise the engine speed to match the power output, try it out to see how it does. If, however, you have the impression that your Volvo XC90 doesn’t idle well, don’t think twice to consult this dedicated article, which might give you more solutions to resolve your issue.

If you want more tutorials on the Volvo XC90, go to our Volvo XC90 category.