P0401
Exhaust Gas Recirculation Flow Insufficient Detected
Affects: Tiggo 7, Tiggo 8
On This Page
Quick Fix Summary
Common Causes
- •Clogged EGR valve
- •Faulty EGR valve
- •Carbon buildup in EGR passages
- •Vacuum leak
How to Fix
- 1Clean EGR valve
- 2Replace EGR valve if faulty
- 3Clean EGR passages
- 4Check vacuum lines
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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What does P0401 mean on a Chery?
P0401 means exhaust gas recirculation flow insufficient detected. The most common cause is a faulty O2 sensor or exhaust leak.
How much does it cost to fix P0401 on a Chery?
Repair costs for P0401 typically range from $200 to $800 AUD, depending on the root cause.
Can I still drive with P0401 code?
P0401 is medium severity. You can drive short distances, but schedule a diagnostic soon.
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