Toro Rosso newcomer Brendon Hartley is set to take on a grid penalty for his fourth straight Grand Prix, after a fresh MGU-H was fitted to his car.
Toro Rosso has struggled for reliability during the second half of the campaign, amid power unit partner Renault hitting trouble, leading to a series of retirements and grid drops.
Hartley, who sustained sanctions in his first three Grands Prix in the United States, Mexico and Brazil, is poised to drop 10 places from wherever he qualifies.
Hartley will stay on with Toro Rosso into 2018, alongside Pierre Gasly, when the operation ditches current partner Renault to become Honda’s sole outfit.
