McLaren is aiming to get on top of its recently-returned reliability gremlins in Austria and the team is confident of battling for points again despite the Red Bull Ring considered as 'power-hungry'.

The past two races have represented frustrating near-misses for both Fernando Alonso and Jenson Button with each driver finishing 11th coupled with a retirement in Azerbaijan and Canada.

In Baku, Alonso was forced out of the race early with a gearbox issue while in Canada Button's engine gave up on the demanding long straights.

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These issues have sparked concerns of a return to McLaren's woeful reliability in 2015 and McLaren Racing Director Eric Boullier has poured emphasis on eliminating these reliability woes ahead of the Austrian Grand Prix.

"We need to address the reliability issues that accounted for one of our cars in each of the last two races," Boullier said. "We've been working hard since we got back to Woking to pin-point the problem and try to ensure that there isn't a recurrence.

"After returning from the last two races without a top 10 finish, our immediate aim is to get back into the points.

"In Canada, Fernando finished 11th, and Jenson achieved the same result in Azerbaijan, neither of which track best suited our car's characteristics, so we'll be hoping to do a little better in Austria this weekend."

Honda's F1 chief of its McLaren operation Yusuke Hasegawa says the manufacturer's new turbo installed in Canada has received a glowing review and hopes to optimise the energy recovery system (ERS) at the undulating Spielberg circuit to maximise its potential.

"The track is somewhat power-hungry but we have confirmed that our new turbo's efficiency helped the team in both Montreal and Baku," Hasegawa said. "We hope to manage our ERS to suit the undulating nature of the track, so we can again fight for points in Sunday's race.

"The Red Bull Ring is a beautiful technical track, where once you get up the initial uphill section, most of the circuit is a fast downhill with tight corners.

"It is also one of the shortest races of the year, so once the lights go out, it becomes an intense battle for the drivers and engineers to strategise and adapt quickly throughout the race."