Haas completed just one lap on the second day of the final pre-season test before it had to end running due to a turbo issue.

The new team had already lost running on Tuesday - when it was stopped by a fuel system issue after 23 laps - and suffered more reliability problems on the second day. Following an installation lap the team said it was investigating a turbocharger problem and failed to return before the lunch break.

With Esteban Gutierrez still to get back out on track after two hours of the afternoon session, Haas confirmed it had ended its running for the day.

Recent reliability problems have left Gutierrez with just 24 laps to his name over his final two days in the car, with Romain Grosjean scheduled to drive on Thursday and Friday. Team owner Gene Haas said during the lunch break the team was likely to revisit its driver plan if Gutierrez did not manage to get any more mileage on Wednesday.

Haas completed 281 laps over the first four days of testing last week, with the team making its grand prix debut on March 20 in Australia.

Follow live coverage and timing from pre-season testing here

Who is driving when during the second pre-season test

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Andrew Lewin

Andrew first became a fan of Formula 1 during the time when Michael Schumacher and Damon Hill were stepping into the limelight after the era of Alain Prost, Nigel Mansell and Aryton Senna. He's been addicted ever since, and has been writing about the sport now for nearly a quarter of a century for a number of online news sites. He's also written professionally about GP2 (now Formula 2), GP3, IndyCar, World Rally Championship, MotoGP and NASCAR. In his other professional life, Andrew is a freelance writer, social media consultant, web developer/programmer, and digital specialist in the fields of accessibility, usability, IA, online communities and public sector procurement. He worked for many years in magazine production at Bauer Media, and for over a decade he was part of the digital media team at the UK government's communications department. Born and raised in Essex, Andrew currently lives and works in south-west London.

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