Toto Wolff has stated that there were “question marks” over Valtteri Bottas’ engine, prompting their second power unit change in two consecutive Grands Prix.

Why it matters: Bottas took another power unit change, even though his most recent change was at the Italian GP, forcing him to start from the rear yet again.

What he had to say:

  • “Yes, at the moment we are reassessing the performance of the power units, because we have question marks and therefore haven’t decided which engines would go back into the pool.”
  • “We haven’t only made precautionary engine changes because we felt we want to stockpile, but also because we want to understand the engine’s performance, and that has given us some question marks.”
  • “At the moment we just take one race weekend at a time and reassess the performance of the power units, and then take decisions.”

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