What does OBD2 code P0430 mean?+
P0430 stands for Catalyst System Efficiency Below Threshold Bank 2. Catalytic converter on Bank 2 is below efficiency threshold.
What causes code P0430?+
Worn catalytic converter Bank 2; Oil or coolant contamination; Rich condition damaging cat; Downstream O2 sensor failure
How do I fix code P0430?+
Test downstream O2 sensor Bank 2; Check for rich condition; Fix any misfires; Replace catalytic converter Bank 2
How much does it cost to fix P0430?+
Estimated repair cost for P0430 is $500–$2000.
Is P0430 DIY-friendly?+
P0430 typically requires professional equipment and a qualified mechanic.