The DS Techeetah driver struggled with automobile steadiness for far of the outlet race on Saturday and completed simplest 12th.
Nonetheless put of abode-up revisions allowed the Portuguese to crawl to the tip of the leaderboard with two of the 45 minutes left on the clock.
He put of abode a 1m08.472s effort, the higher share of 0.9s quicker than essentially the simplest efforts from the day earlier than this present day.
That leisurely switch on the beefy 250kW energy mode guided him 0.049s determined of Jaguar Racing’s Mitch Evans, the Kiwi having been da Costa’s closest title rival for far of the closing season.
He changed into adopted over the timing line by Saturday polesitter and prolonged-time race leader Carve Cassidy, the Envision Virgin Racing rookie simplest one other 0.038s in arrears.
While the whole 24-automobile topic would be coated by goal correct a whisker over 1s, it changed into Audi driver Rene Rast who put of abode the waddle in the cool early morning session.
An preliminary push lap of 1m10.596s left him some 0.7s determined sooner than he changed into joined by his teammate and 2016-17 champion Lucas di Grassi, who completed on the rostrum in race one.
The session ran largely with out incident or drama, alternatively Saturday victory Maximilian Gunther changed into compelled to miss five minutes of running resulting from automobile assessments after a suspected touch with the wall.
Alexander Sims furthermore tiny his different of laps after the Mahindra Racing driver eclipsed Rast on the front of the pack.
After simplest 12 minutes, the Briton put of abode a 1m09.507s effort, which remained his simplest time and he carried out simplest 10 laps – the fewest of all drivers.
He changed into alternatively displaced by da Costa after he deployed the 35kW attack mode map.
Teammate Jean-Eric Vergne modified into the first driver of the weekend, and in the ancient previous of the revised Brooklyn Avenue Circuit, to dip below the 1m09s barrier.
He took tag with a 1m08.988s sooner than the final switch to beefy 250kW energy shuffled him down the repeat.
In a stable exhibiting for the Audi-powered Envision crew, joint facets leader Robin Frijns adopted stablemate Cassidy dwelling in fourth with works driver Rast clocking fifth.
Venturi’s Norman Nato changed into essentially the simplest of the Mercedes-powered drivers in sixth, beating Porsche’s Pascal Wehrlein and Alex Lynn for Mahindra Racing.
Di Grassi arrived dwelling ninth as Edoardo Mortara, tied on 72 facets with Frijns, carried out the tip 10.
Within the back of inclined teammate Andre Lotterer, Vergne fell as far as 12th nevertheless kept Guenther, who passed the French racer for victory on Saturday, at bay by 0.162s.
The manufacturing unit Mercedes squad did smartly to cloak its waddle, Stoffel Vandoorne surroundings the 15th quickest time as Nyck de Vries changed into simplest 20th.
