P0430
Moderate
Powertrain
Catalyst System Efficiency Below Threshold (Bank 2)
Common Causes
Degraded Bank 2 catalytic converter
Failed Bank 2 downstream O2 sensor
Exhaust leak Bank 2
Engine burning oil Bank 2
Common Symptoms
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Quick Info
| Code | P0430 |
| System | Powertrain |
| Severity | Moderate |
Disclaimer
This information is for diagnostic guidance only. Always verify repairs with a qualified technician before performing safety-critical work.
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