Engine Error
P0158
O2 Sensor Circuit High Voltage (Bank 2 Sensor 2)
Severity
Low
Symptoms
Check engine light, minor drop in fuel economy
Common Causes
- Faulty downstream O2 sensor
- Short to battery voltage in circuit
- High fuel pressure
- Bad ECT sensor making engine run rich
How to Fix
- 1 Replace Bank 2 Sensor 2
- 2 Inspect wiring for damage
- 3 Check fuel pressure
- 4 Test coolant temp sensor
Estimated Repair Cost
USD
$100
–
$300
O2 Sensor: $150 - $300