[Mytoy944]

I had just had my CEL light turned of by the "dealer" who sold me my 98 Boxster (71000 miles). "Low cat effeciency Bank 1" He replaced the cat and all was right with the world.

300 miles later, you guessed it, CEL Code P0430 "Cat Efficency below threshhold. Bank 2" I'm guessing cat #2 gave up the ghost.

The "dealer" will not repair this one!!!!

I'm pretty sure I can get the Local Porsche dealer to replace this one under warranty. (I'm in the business, so I'm calling in a favor.)

I just want to get some feedback as to whether this is a cat. before make the call to the porsche guys.