Problem Reports

Porsche 911

Report: Check Engine Light due to faulty oxygen sensor

• Check Engine Light due to cam tensioner/timing issues
  Cam tensioner/cam timing issues can cause the Check Engine Light to illuminate.

  Common Problems > Porsche 911

• Check engine light due to various leaks
  Due to air leaks at various locations, the Check Engine Light may illuminate.

  Common Problems > Porsche 911

• Check Engine Light
  The Check Engine Light went on a few times and stayed on. Took the car to dealer and each time...

  Q&A > Porsche > 2005 Porsche 911

• Check Engine Light (CEL) is lit & steady and running rough.
  I had my water expansion tank replaced, two weeks later the CEL lit and had the Porsche Dealers...

  Q&A > Porsche > 2000 Porsche 911

• Internal Leak at Oil Seperator Can Cause Fuel Trim and Oxygen Sensor Limit Faults
  Various fuel trim and oxygen sensor limit fault codes can be traced to an internal vacuum leak at the oil separa...

  Common Problems > Porsche 911