Christian Horner has refuted suggestions that there are fundamental design flaws with the RB10 and its tight packaging.
Red Bull's pre-season got off to a dismal start as the reigning World Champions managed just 21 laps over four days at Jerez.
Although the majority of the problems appeared to stem from Renault's new 1.6-litre V6 engine, the car itself also suffered with overheating.
Red Bull eventually called it quits early on the final day, opting instead to work on the car in the factory ahead of the next outing in Bahrain.
"Obviously there is quite a bit to do but there is still a fair bit of time before the first race," Horner told Sky Sports News.
"The Bahrain test is an important test and everyone is working very hard at Renault and at Milton Keynes."
Asked if it Red Bull could 'not afford another week like Jerez', Horner said: "Don't want another week like Jerez but that's what testing is for.
"You sort your problems out in testing so not to have them at the races."
The team boss, though, was quick to deny that technical director Adrian Newey's tightly-packed design was part of the problem.
"I think there are a few things we need to tidy up on our side but nothing major and obviously Renault have some issues that they are tidying up as well.
"These cars are so complicated that little problems can cause big failures."
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