The team had looked set for a strong double points finish in F1’s season opener before its race was turned on its head with a few laps to go.
World champion Max Verstappen, who had challenged eventual race winner Charles Leclerc for much of the event, slowed with a lack of power three laps before the end and had to retire in to the pits.
Then Sergio Perez, who was running third at the time, radioed that he too was suffering similar problems before his engine cut out at the first corner on the final lap and pitched him into a spin.
Red Bull immediately suspected that the problem was related to the fuel pumps but needed to take the cars apart to come to a definitive conclusion.
The analysis it has conducted since the race has confirmed that the issue was triggered by a vacuum being created in its fuel system. This meant petrol was not getting through to the engine.
The team has also dismissed speculation that has emerged over recent days suggesting that both drivers had simply run…
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