I put 2 liters of petrol accidentally into my diesel 2002 Peugeot will it be OK?

It is not advisable to mix petrol with diesel in a diesel engine, as it can cause serious damage to the engine. Petrol has a lower ignition point than diesel, so it can ignite more easily and cause the engine to run hotter than it is designed to. This can lead to damage to the pistons, valves, and other engine components. Additionally, petrol is less dense than diesel, so it can cause the fuel injector to spray an incorrect amount of fuel into the cylinders, which can lead to engine performance issues.

If you have accidentally put petrol into your diesel engine, it is important to drain the fuel tank and fuel lines and refill with fresh diesel as soon as possible. You may also need to have the fuel injectors cleaned or replaced. It is also a good idea to have the engine inspected by a mechanic to make sure there is no damage.

To avoid accidentally mixing petrol with diesel, it is important to pay close attention to the fuel you are putting in your vehicle. Diesel fuel pumps are typically labeled with a green nozzle, while petrol pumps are typically labeled with a black nozzle. You should also make sure that the fuel tank cap on your vehicle is labeled for diesel fuel.