Today’s vehicles are a constant source of hassle of all kinds, and between regular maintenance and unforeseen break downs, they often be a big budget item. But sadly, not all breakdowns are just a matter of money. Some of them can jeopardize our safety, such as when your Audi S4 accelerates by itself . That’s what today’s content is about. We know that this performance of your Audi S4 can be really unsafe and scare you, so you should solve this as soon as possible since using your Audi S4 if this is the case is anything but safe. That’s why we’re going to begin with your Audi S4 accelerating on its own when cold, and then we’ll see how your Audi S4 accelerating on its own when hot accelerates.



First we will address the worries about your Audi S4 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 incorrectly adjusted, it can send the wrong information to the intake and this can result in too high an engine idle speed. The second opportunity is that your temperature sensor is in poor condition , so your Audi S4 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 inspected these two points and they are not the reason for your concern, you will need to take your Audi S4 to your auto mechanic.

MY Audi S4 accelerates for no reason When HOT

We will now see how your Audi S4 accelerates on its own even when hot. So if your car is a petrol car, don’t forget to take a look at the condition of your throttle body. Undoubtedly, the throttle body, when clogged, can cause problems with the air supply to the inside of your engine when hot, in which case your air/fuel mixture might not be good and your Audi S4’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 component is designed to control the idle speed of your Audi S4, 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 to run out of fuel on an Audi S4, a weakened alternator can cause an Audi S4 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 Audi S4 doesn’t idle well, don’t hesitate to consult this dedicated content, which might give you more solutions to fix your issue.

To discover more tips on the Audi S4, take a look at the Audi S4 category.