Sebastian Vettel could lose his hard-earned runner up spot in the Hungarian Grand Prix, following a shortfall of fuel onboard the German driver's Aston Martin at the end of the race.
The FIA requires that all cars must complete the distance of a Grand Prix with at least one litre of fuel remaining in the tank to allow for a sampling and control.
However, FIA technical delegate Jo Bauer has informed the stewards that only 300ml of fuel were extracted from the Aston Martin's fuel tank, therefore putting Vettel at risk of a disqualification.
"After the race it was checked on car number 5 whether a 1.0 litre sample of fuel could be taken from the car," read Bauer's notice.
"It was possible to take only a 0.3 litre sample following the procedures layed out [Sic] in Article 6.6.4 of the 2021 Formula One Technical Regulations.
"Therefore I am referring this matter to the stewards for their consideration, as this is not in compliance with Article 6.6.2 of the 2021 Formula One Technical Regulations."
At the end of Sunday's race, Vettel did not complete the traditional cool-down lap, stopping his car at the Hungaroring's Turn 12 after being ordered by his team to do so.
If Aston's car is found in breach of the regulations, Vettel will likely be excluding from the Hungarian Grand Prix results, a decision that would move Lewis Hamilton up to P2 while Ferrari's Carlos Sainz would inherit P3.
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