I had the same thing. Engine Light diagnosis code # P0430.
I stopped at Mobil for gas twice, and had a three hour drive, and ran it like it was stolen. Light came off. I am going to dump a bottle of techron too, why not!?
"Porsches are meant to be driven not polished"
The shop only sees mine from a back of a tow truck.....
No affiliation, just making my point
S•CAR•GO Racing