F1: Fast work from Red Bull's mechanics completed an engine change with enough time for Daniel Ricciardo to do one flying lap to make the cut for Q2 at the Chinese Grand Prix.

“I’ll never give up hope but for sure the window of optimism reduces over time,” the 28-year-old Red Bull driver said on Saturday.

WHAT: China GP

WHEN Sunday April 15 2018

TIME 4:10 pm AEDT

TV: Fox Sports (see below for stream link)

Ricciardo was forced retire from the previous race in Bahrain with an energy store problem in the power unit.

The French manufacturer has had a hard time coming to terms with the 1.6 litre V6 turbo-hybrid power units introduced at the start of 2014 and, five years in, still lags Mercedes and Ferrari.

Either Ricciardo or team-mate Max Verstappen failed to finish in 13 of the 20 races last year, winning three.

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Originally published as China GP: Ricciardo hoping for another miracle