Engine Error
P0175
System Too Rich (Bank 2)
Severity
Medium
Symptoms
Strong fuel odor, fouled spark plugs, poor gas mileage
Common Causes
- High fuel pressure
- Leaking injector on Bank 2
- Dirty air filter
- O2 sensor failure
How to Fix
- 1 Test fuel pressure regulator
- 2 Check injector duty cycles
- 3 Replace engine air filter
- 4 Replace Bank 2 O2 sensor
Estimated Repair Cost
USD
$100
–
$800
Diagnosis: $100; Injectors: $200 - $700