Trulli's time of one minute 32.832 seconds on a bright and clear day at Sepang was the fastest of the weekend so far.

Austrian Christian Klien was second quickest for Red Bull in 1:32.870 while Spaniard Fernando Alonso [ Images ], fastest in the morning's first 45 minute session, was third in 1:32.880 as drivers honed their setups before qualifying.

The second practice was interrupted briefly when Italy's Fisichella, winner of the Australian season-opener on March 6, lost control and spun violently across the kerb and into the gravel at turn 12 with 28 minutes remaining.

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Team boss Flavio Briatore shook his head in dismay as the Renault, beached in the gravel, left its front wing in the middle of the track.

Briton Anthony Davidson [ Images ], replacing Takuma Sato [ Images ] at BAR after the Japanese came down with a fever, clocked the 10th best time of the final session.

Team mate Jenson Button [ Images ], who has a new engine for Sunday's race after retiring strategically in Melbourne [ Images ], missed the entire second practice with an oil leak.

The team said his engine was undamaged.

Ferrari's [ Images ] seven times world champion Michael Schumacher [ Images ], chasing his first points of the season after a collision with compatriot Nick Heidfeld [ Images ] in Melbourne, was second fastest in the first session and 14th in the second.