Two problems related to loud engine noise have been reported for the 2005 Porsche Boxster. The most recently reported issues are listed below.
The contact owns a 2005 Porsche Boxster. The contact stated while traveling approximately 55 mph, the engine made a loud noise, various warning lamps illuminated on the instrument panel and the vehicle stalled. The vehicle was towed to an independent mechanic. The technician diagnosed that the motor needed to be replaced. The independent mechanic suggested that the vehicle be taken to an authorized Porsche dealer for repairs. The vehicle was towed to an authorized dealer who verified the failure and stated that the motor had self destructed and needed to be replaced. The vehicle was to be inspected and repaired. The manufacturer was made aware of the failure. The approximate failure mileage was 34,000. Updated 8/12/cn.
While pulling away from a stop light in light city traffic, engine suddenly had reduced power output immediately followed by loud sounds of loose metal parts through out the engine compartment. Upon inspection by a Porsche specialist, he determined that the engine had suffered intermediate shaft failure which caused catastrophic engine failure by allowing the valves to make contact with the piston heads and shredding ball bears which sent metal shaving through the oiling system. The engine is considered non-repairable and requires a complete replacement engine.