Engine Error
P0150
O2 Sensor Circuit Malfunction (Bank 2 Sensor 1)
Severity
Medium
Symptoms
Poor fuel economy, rough idle, check engine light
Common Causes
- Dead Bank 2 upstream O2 sensor
- Damaged sensor wiring harness
- Exhaust leak at the manifold
- Vacuum leak on Bank 2
How to Fix
- 1 Replace Bank 2 Sensor 1 O2 sensor
- 2 Repair broken wiring
- 3 Fix exhaust manifold leak
- 4 Repair vacuum leak
Estimated Repair Cost
USD
$100
–
$350
O2 sensor: 150 - 300