Smoke, oil consumption, and fuel trim issues with various fault codes can be traced to an internal leak at the oil separator.
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Newest reported 2007 Porsche Cayman 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.
An engine oil leak may develop for the valve cover gasket. Gasket replacement will be required to correct these leaks.
A fault with the camshaft tensioner may cause camshaft timing issues resulting in illumination of the Check Engine Light.