teammate Ricciardo finished 9th while Daniil Kvyat retired with engine failure . Red struggled on the backfoot this season after troubled in three races . Renault boss Cyril ##rera has vowed engine supplier will improve . Red team boss Dietrich Mateschitz has threatened to pull him out of F1 .
Daniel Ricciardo finished 9th while Daniil Kvyat retired with engine failure . Red Bull on the backfoot this season after troubled opening three races . Renault boss Cyril Abiteboul has vowed engine supplier will improve . Red Bull chief Dietrich Mateschitz has threatened to pull team out of F1 .