Sebastian Vettel set the quickest lap on the Option tyres during second practice at the Red Bull Ring, before his session was interrupted by gearbox problems.
Vettel posted a time of 1:09.600 to edge out Mercedes driver Nico Rosberg by just 0.011s, but he was forced to return to the Ferrari garage with 25 minutes of the session remaining due to gearbox issues.
Vettel did not return to the circuit for the remainder of the session, thus missing out on long run data.
Ferrari team-mate Kimi Räikkönen was third, while fourth position went to Lotus’ Pastor Maldonado, who had two moments towards the end of the session.
Maldonado went through the gravel at Turn 3 and returned to the pits, prior to spinning at Turn 2 after the chequered flag.
World Champion Lewis Hamilton had a scruffy session as he had several off-track excursions and placed fifth.
Nico Hülkenberg set the sixth best time for Force India, ahead of Romain Grosjean and Max Verstappen, who complained of having a headache.
Felipe Nasr continued his encouraging form from the first session and went ninth, while Sergio Pérez completed the top 10.
Carlos Sainz Jr. was 11th and went wide at Turn 5, skating through the gravel before recovering to the circuit.
Daniil Kvyat was 12th position, ahead of Sauber’s Marcus Ericsson and the Williams duo of Valtteri Bottas and Felipe Massa.
Fernando Alonso tested McLaren’s modified front wing for the first time and was 16th quickest, while Daniel Ricciardo was 17th for Red Bull.
Jenson Button finished a few tenths further down on the Australian after suffering a loss of power in his McLaren.
Button’s problem rendered him to the garage for the remainder of the session, with Alonso also kept in the pits as a precaution.
Button and Alonso each managed only 17 laps - compared to the 50 racked up by Rosberg and Sainz, who were the most productive drivers in the second session.
Manor Marussia occupied its typical position at the back, with Will Stevens ahead of Roberto Merhi, the latter having taken a trip through the gravel at Turn 3.