Fernando Alonso's engine failure in Barcelona has presented Renault with concerns heading into the Turkish Grand Prix, engineering boss Pat Symonds has admitted. Alonso, who gave the team their best starting position of the season after qualifying second on the grid, was forced out of the race on lap 35 when his engine failed while running in fifth.Symonds, Renault's executive director of engineering, said on the team's podcast that the failure was a "surprise".
"While at this stage we know what the failure was, we don't have all the explanations as to why that component failed," Symonds said.
"It's one of the areas where the engine is always on the limit... but not an area where we've had failures in this particular engine."
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