911 Targa (996) F6-3.6L (2004)
Air Injection Control Valve: Service and Repair
Replacing Anti-Run-On Valve For Secondary Air
If the anti-run-on valve or the check valve are defective, the secondary air system must be converted to the system used as of model year 2000, see
Carrera Technical Information 1/02 2669.
Diagram of secondary air injection as of model year 2000
Diagram Of Secondary Air Injection As Of Model Year 2000 (part 1)