Engine Error
P0165
O2 Sensor Circuit Slow Response (Bank 2 Sensor 3)
Severity
Low
Symptoms
Failed smog check, check engine light
Common Causes
- Old, sluggish O2 sensor
- Contamination from antifreeze or oil
- Exhaust leak
- Corroded wiring connector
How to Fix
- 1 Replace Bank 2 Sensor 3 O2 sensor
- 2 Fix internal engine leaks (head gasket, valve seals)
- 3 Repair exhaust leaks
- 4 Clean connector contacts
Estimated Repair Cost
USD
$100
–
$350
O2 sensor: $150 - $350