Putting the wrong fuel in your car can be compared with pouring something marked “Poison” into your body.

Due to the different types of nozzles used for petrol and diesel fuel at stations, its usually kind of difficult to mix them up, but mistakes do happen.

Car can be mistakenly misfuel when borrowed, refueling for someone or poured from a Keg. If you realized your mistake, the important thing is to stop driving the car. Parking and turning off the engine will limit the damage that will occur.

What happens when you put petrol in a Diesel Car?
Diesel acts as a lubrication oil that keeps the fuel pump and other components running smoothly as well as powering the car. Mixing petrol with diesel has the opposite effect as it increases friction between parts, causing damage to the fuel lines and pump. If you drive away or even start the car with petrol in the mix and can lead to you needing a new engine, filters, fuel pump, injectors, and a whole new fuel tank.

Misfueling a diesel car with petrol is easier to do because the petrol nozzle will actually fit inside the filler for a modern diesel. 

What should you do?
As long as you don’t turn the key, or press the start button, the damage can be kept to a minimum.

You’re going to need to put your car in neutral, release the hand brake and get someone push it to a safe parking spot.Finally call your mechanic for a fuel drain.

What happens and what you should do when you put diesel in a petrol engine?

What makes it tricky is that the diesel nozzle simply won’t fit into the filler gap of a petrol-engined vehicle,unless it is poured from a keg.

Luckily, putting diesel in a petrol engine isn’t as bad as putting petrol in diesel engine . Because diesel needs to be compressed before it’ll ignite, chances are you won’t even be able to start the engine.

Diesel will only cause serious damage to a petrol engine if you allow it to circulate, particularly if your car is of the direct-injection variety.Fuel injectors that are designed to use unleaded will not take kindly to diesel.

Once again, you should arrange with your mechanic for your tank to be completely drained.

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