Porsche 911 Problem Report
Porsche 911 Failed cylinder head temperature sensor
A failing cylinder head temperature sensor can cause erratic running or the engine to cut out entirely.
Ports and passages for secondary air flow can clog at the cylinder head/cam housing area. Parti...
I had my water expansion tank replaced, two weeks later the CEL lit and had the Porsche Dealers...
A failing mass air flow sensor or EVAP purge valve can cause misfire issues.
The front hood and rear deck lid support struts may fail; replacement is required.