Noises During Shifting problems of the 2006 Infiniti G35

The contact owns a 2006 Infiniti G35 sedan. The contact heard a ticking sound while accelerating. The dealer was unable to diagnose the cause of failure. The check engine light illuminated at 3,300 miles. The dealer replaced the cam shaft sensor. At 6,400 miles, the ticking noise returned and the check engine and oil lights illuminated. The dealer diagnosed the vehicle as consuming a large amount of oil. The vehicle was put through an oil consumption test and failed twice. At 7,500 miles, the vehicle stalled while turning and the check engine light illuminated once more. The dealer has diagnosed the vehicle as needing a new engine and would like to install a test engine designed for this type of failure. The engine size was unknown. The current mileage is 8,600 and failure mileage was 1,800. The consumer stated the vehicle shifts very rough. Updated 07/06/07.