Porsche Cayman Problem Report
Porsche Cayman Electrical Portion of Ignition Switch May Become Erratic or Fail Completely
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.
A failing mass air flow sensor or EVAP system purge valve can cause engine misfire concerns. Pr...