Chrysler 2005 Crossfire SRT6 Service Manual page 2369

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(P0422) CATALYTIC 1/1 EFFICIENCY (CONTINUED)
2.
INSPECT FOR EXHAUST LEAKS
Inspect the exhaust for any leak between the engine and the O2 Sensors.
Are there any exhaust leaks?
Yes >> Repair or replace the leaking exhaust parts as necessary.
Perform POWERTRAIN VERIFICATION TEST - VER 2.
No >> Replace the three way catalytic converter. (Refer to 11 - EXHAUST SYSTEM/CATALYTIC CONVERTER
- REMOVAL).
Perform POWERTRAIN VERIFICATION TEST - VER 2.
ENGINE - ELECTRICAL DIAGNOSTICS 9 - 445