Problem Reports

Porsche 911

Report: Check engine light due to various leaks

• Check Engine Light due to faulty oxygen sensor
  Check Engine Light illumination and performance issues can be caused by oxygen sensor faults.

  Common Problems > Porsche 911

• 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 (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

• 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

• Rear Main Seal/Intermediate Support Cover O-ring may Leak Oil
  Engine oil leaks can occur at the rear main seal and/or intermediate support cover o-ring; a...

  Common Problems > Porsche 911