P0203
Cylinder 3 Injector Circuit Malfunction
Affects: Tiggo 4, Tiggo 7, Tiggo 8
On This Page
Quick Fix Summary
Common Causes
- •Faulty fuel injector (cylinder 3)
- •Wiring issue
- •Faulty ECM
How to Fix
- 1Test fuel injector resistance
- 2Check wiring to injector
- 3Replace faulty injector
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 P0203 mean on a Chery?
P0203 means cylinder 3 injector circuit malfunction. The most common cause is a faulty O2 sensor or exhaust leak.
How much does it cost to fix P0203 on a Chery?
Repair costs for P0203 typically range from $200 to $800 AUD, depending on the root cause.
Can I still drive with P0203 code?
P0203 is a high severity code. Reduce driving and get it diagnosed as soon as possible to avoid further damage.
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