Engine Error
P2189
System Too Lean at Idle (Bank 2)
Severity
Medium
Symptoms
Rough idle on V6/V8 engines, poor cold start, stalling
Common Causes
- Bank 2 vacuum leak
- Dirty fuel injectors
- Faulty intake gaskets
- Failing Bank 2 O2 sensor
How to Fix
- 1 Inspect Bank 2 intake gasket
- 2 Service fuel injectors
- 3 Search for vacuum leaks
- 4 Replace O2 sensor
Estimated Repair Cost
USD
$150
–
$700
Intake gasket replacement: $300 - $700