Porsche TSB #122-H3M7J-05
2017 Porsche 911
Affected Component: EQUIPMENT
- Summary
- Subject: Exhaust system Information: Themonolith in the catalytic converter may be damaged. Remedial Action: To verify catalytic converter damage, both oxygen sensors ? Installation overview of oxygen sensors on engine side, cylinders 1-3 (shown on the 911 Carrera) -1 and 2- can be removed and the catalytic converter examined using a video endoscope prior to any disassembly.