How to act if you put the wrong fuel when refuelling — a practical and realistic guide
Putting the wrong fuel in your vehicle is more common than it might seem. It often happens with new cars, rental vehicles or after recently changing cars. In these situations, knowing how to act if you put the wrong fuel when refuelling from the very first moment is essential. It does not always result in a serious breakdown, but a wrong decision can make the situation much worse.
What to do immediately after realising the mistake
As soon as you realise that you have filled up with the wrong fuel, the most important thing is to stay calm and not start the engine. Although it may feel like an automatic reaction, starting the car can cause the incorrect fuel to reach the injection system. If you are still at the service station, inform the staff immediately so they can help you take the right steps.
Why you should never start the engine
Starting the engine is the most serious and most common mistake. The wrong fuel can damage very sensitive components such as the fuel pump, injectors or fuel filter. In diesel engines, petrol reduces internal lubrication and can cause accelerated wear. In petrol engines, diesel can clog the system and lead to major failures. That is why understanding how to act if you put the wrong fuel when refuelling is crucial to avoid costly repairs.
When the fuel tank needs to be drained
In most cases, the solution involves completely draining the fuel tank and cleaning the fuel system. This procedure must be carried out using proper equipment and by trained professionals. Some service stations are prepared with rapid response protocols that allow the issue to be resolved safely and efficiently, avoiding further damage and unnecessary trips to the workshop.
Risks to the injection system
The injection system is one of the most delicate parts of a vehicle. Using the wrong fuel can cause jerking, loss of power or even serious breakdowns that require complex repairs. Acting quickly and correctly significantly reduces the impact and helps protect the internal engine components.
How to prevent it from happening again
To avoid this type of mistake, it is advisable to adopt simple habits. Always checking the fuel type before refuelling, paying extra attention when driving a different car and avoiding distractions are very effective measures. Refuelling calmly and without rushing also greatly reduces the risk of making a mistake.
The importance of a prepared service station
Having a service station with trained staff and clear protocols can make all the difference. A fast and correct response not only saves time, but also helps avoid unnecessary costs and potential future damage.
Putting the wrong fuel in your vehicle can happen to anyone. Knowing how to act if you put the wrong fuel when refuelling from the very first moment is the best way to protect your vehicle and avoid major problems. At ALAS, we work to offer safe, well-prepared service stations with trained staff and clear protocols to help you act quickly and correctly in situations like this.