P0172
System Too Rich (Bank 1)
Affects: Tiggo 4, Tiggo 7, Tiggo 8
Common Causes
- •Faulty fuel pressure regulator
- •Leaking fuel injector
- •Faulty O2 sensor
- •Dirty air filter
How to Fix
- 1Test fuel pressure
- 2Inspect fuel injectors for leaks
- 3Check O2 sensor readings
- 4Replace air filter
Estimated Repair Cost (Australia)
$200 - $800
AUD
*Cost varies by model, location, and service provider. Get multiple quotes.
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