Engine Error
P2096
Post Catalyst Fuel Trim System Too Lean (Bank 1)
Severity
Medium
Symptoms
Check engine light, minor hesitation, poor fuel economy
Common Causes
- Exhaust leak near O2 sensor
- Faulty downstream O2 sensor
- Fuel delivery issue
- Faulty catalytic converter
How to Fix
- 1 Repair exhaust leaks
- 2 Replace Bank 1 Sensor 2 O2 sensor
- 3 Check fuel pressure
- 4 Verify MAF sensor data
Estimated Repair Cost
USD
$150
–
$600
O2 sensor: $150 - $300; Leak repair: $100 - $500