P0505
Idle Air Control System Malfunction
Affects: Tiggo 4, Tiggo 7
On This Page
Quick Fix Summary
Common Causes
- •Dirty idle air control valve
- •Vacuum leak
- •Faulty IAC valve
How to Fix
- 1Clean IAC valve
- 2Check for vacuum leaks
- 3Replace IAC valve if faulty
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 P0505 mean on a Chery?
P0505 means idle air control system malfunction. The most common cause is a faulty O2 sensor or exhaust leak.
How much does it cost to fix P0505 on a Chery?
Repair costs for P0505 typically range from $100 to $400 AUD, depending on the root cause.
Can I still drive with P0505 code?
P0505 is medium severity. You can drive short distances, but schedule a diagnostic soon.
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