The four-time world champion, who finished runner-up behind Esteban Ocon in Sunday’s race at Hungary, has been referred to the stewards after only being able to provide 0.3 litres of fuel after the race.

F1 technical regulations state that: “Competitors must ensure that a one-litre sample of fuel may be taken from the car at any time during the event.”

FIA F1 technical delegate Jo Bauer confirmed only 300ml of fuel was taken from Vettel’s car after the German stopped on track following the chequered flag.

“After the race it was checked on car number 05 whether a 1.0 litre sample of fuel could be taken from the car,” Bauer’s report read.

“It was possible to take only a 0.3 litre sample following the procedures layed out in Article 6.6.4 of the 2021 Formula 1 Technical Regulations.”

If Vettel is disqualified, championship leader Lewis Hamilton would move up to second-place, with Ferrari’s Carlos Sainz finishing third.