Smoke, oil consumption, and fuel trim issues with various fault codes can be traced to an internal leak at the oil separator.
Resources for the Repair and Maintenance of your 2008 Porsche Boxster
2008 Porsche Boxster
2008 Porsche Boxster Problems
If the vehicle cannot return to run position after start or if the interior fan is not getting power, it may be the electrical portion of the ignition switch has become erratic or has failed. The entire switch assembly should be replaced.
Engine oil leaks can occur at the rear main seal and/or intermediate support cover o-ring; a revised seal is available. A careful diagnosis with proper tools is necessary to verify dimensional accuracy of the crankshaft to engine block.
The power windows not lowering when the Cabriolet top latch and/or door handle is operated or lowering unexpectedly while driving can be caused by a failing Cabriolet top or door handle micro switch. Diagnoses will be required to determine which switch is at fault and will require replacement.
If the airbag warning light illuminates, it must be attended to quickly. Seat belt buckles, wiring updates/repairs, and/or airbag module faults may be the cause.