P0430
Catalyst System Efficiency Below Threshold (Bank 2)
Affects: Tiggo 7, Tiggo 8
On This Page
Quick Fix Summary
Common Causes
- •Faulty catalytic converter (Bank 2)
- •Defective oxygen sensor
- •Engine misfire
- •Exhaust leak
How to Fix
- 1Check O2 sensor readings
- 2Inspect exhaust system
- 3Test catalytic converter
- 4Replace faulty components
Estimated Repair Cost (Australia)
*Cost varies by model, location, and service provider. Get multiple quotes.
⚠️ Disclaimer: This information is for educational purposes only and does not constitute professional mechanical advice. Always consult a certified automotive technician for accurate diagnosis and repair. Repair costs are estimates based on Australian market data (July 2026) and may vary by location, model year, and service provider.
Safety notice: Fault codes related to engine, transmission, or braking systems should be addressed immediately. Delaying repairs may result in further damage or safety hazards.
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Try OBD2 Lookup Tool →Frequently Asked Questions
What does P0430 mean on a Chery?
P0430 means catalyst system efficiency below threshold (bank 2). The most common cause is a faulty O2 sensor or exhaust leak.
How much does it cost to fix P0430 on a Chery?
Repair costs for P0430 typically range from $300 to $1500 AUD, depending on the root cause.
Can I still drive with P0430 code?
P0430 is medium severity. You can drive short distances, but schedule a diagnostic soon.
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