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Red Bull is confident Abu Dhabi GP fuel issue was a one-off

Sebastian Vettel, Red BullRed Bull has faith that Renault has learned from the fuel issues that resulted in Sebastian Vettel being thrown to the back of the grid at the Abu Dhabi Grand Prix.

The world championship leader was excluded from qualifying after post-session checks found that there was less than the mandatory one-litre of fuel that the FIA requires for a sample.

And although Renault has so far not revealed what exactly went wrong - Red Bull team principal Christian Horner has no worries of a repeat happening in the future.

"It is a difficult one as Renault were certain that enough fuel went into the car, but we could not drain it, we could not get it out," Horner explained.

"Maybe the margin that was left was perhaps that bit too fine, so I think the car will have finished the race with an awful lot of fuel in it."

Vettel's preparations for qualifying had been affected by brake problems in free practice on Saturday, which limited his running to just a few laps at the end of the session.

There were some suggestions that this could have contributed to a miscalculation of the amount of fuel required for qualifying, but Horner insists that was not a factor.

"No, not really," he said. "The calculations are made dating back to pre-season and of course the engine guys keep a close eye on how that is developing.

"In qualifying it will be two runs of one lap, it was 55 in the race. Then the engine engineer will work out the fuel required and that will be put into car. So it is not something that we get involved in as a team.

"We rely on Renault to provide and look after that. Unfortunately this glitch has happened. But it is one of those things, they have learned from it and we had a strong recovery."

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