Sebastian Vettel's conceded he was unsure how long Red Bull's lingering reliability issues would take to resolve after the start of his title defence lasted just five laps in the Australian GP. The German had started in a disappointing 12th after a faulty sensor reading meant Renault gave him the wrong settings for Saturday's qualifying session and he was therefore down on engine power. Red Bull said those issues had been resolved overnight, but Vettel's nightmare weekend continued in the race as the onset of engine problems meant he was swamped off the line and fell back through the pack before eventually retiring on lap five. "By the second formation lap we had lost power and didn't...
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