Have you checked the fluid level? When was the last time you changed the filter and fluid?
Could be a solenoid valve.
A86.00 Tiptronic -99 A86.05 00- A86.20 Switch Unit Solenoid Valve Pressure Regulator 00-
__________________
2003 Boxster S
| 987 Air Box | K&N Air Filter | 76mm Intake Pipe| 996 76mm TB | 997 Distribution T | Secondary Cat Delete Pipes | Borla Muffler | NHP 200 Cell Exhaust Headers |
|