"It’s not the car", so what’s wrong for Piastri?

Oscar Piastri has lost his grip on the F1 title race. It's now been four races without a podium finish and six without a win for the Australian, as his McLaren teammate, Lando Norris, surged past him. Piastri is adamant it's not the car that's the problem, so what's gone wrong for the Australian and how does he fix it in time to salvage his dream? Featured: Michael Doyle, F1 writer, ABC Sport. Subscribe to the ABC Sport Newsletter