Problems with his engine mapping also contributed , resulting in poor straight line performance .
During the first three races , Montoya consistently underperformed on the track , not managing to improve his position from the start at the Bahrain and Malaysia Grands Prix .
Problems with Montoya 's engine mapping also contributed , resulting in poor straight line performance .
During the first three races , Montoya consistently underperformed on the track , not managing to improve his position from the start at the Bahrain and Malaysia Grands Prix .