What to do if you fill your car with the wrong fuel
Putting the wrong fuel in your car sounds like the kind of problem that happens to somebody else. But, according to the RAC, it happens every three minutes in the UK – affecting around 150,000 motorists every year.
It’s surprisingly easy to do, especially when it concerns putting petrol in a diesel car, because a petrol pump nozzle will fit into most diesel car filler caps. That’s not to say it’s impossible to put diesel in a petrol car, but the diesel nozzle is larger than the majority of petrol filler necks, making it far less common.
In both cases, do not start the engine. The severity of the problem will depend on how much incorrect fuel you have put in the tank and whether you’ve put petrol in a diesel car or diesel in a petrol car, so we’ll take each scenario ...


