P0400
Exhaust Gas Recirculation Flow Malfunction
Affects: Tiggo 4, Tiggo 7
On This Page
Quick Fix Summary
Common Causes
- •Faulty EGR valve
- •Clogged EGR passages
- •Wiring issue
How to Fix
- 1Clean EGR valve and passages
- 2Test EGR operation
- 3Replace valve if faulty
Estimated Repair Cost (Australia)
*Cost varies by model, location, and service provider. Get multiple quotes.
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What does P0400 mean on a Chery?
P0400 means exhaust gas recirculation flow malfunction. The most common cause is a faulty O2 sensor or exhaust leak.
How much does it cost to fix P0400 on a Chery?
Repair costs for P0400 typically range from $200 to $600 AUD, depending on the root cause.
Can I still drive with P0400 code?
P0400 is medium severity. You can drive short distances, but schedule a diagnostic soon.
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