Engine Error
P0132
O2 Sensor Circuit High Voltage (Bank 1 Sensor 1)
Severity
Medium
Symptoms
Rich exhaust smell, black smoke, reduced fuel economy
Common Causes
- Short to battery voltage in O2 sensor circuit
- Defective upstream oxygen sensor
- Extremely high fuel pressure
- Leaking fuel injector
How to Fix
- 1 Check O2 sensor wiring for shorts
- 2 Replace Bank 1 Sensor 1 O2 sensor
- 3 Test fuel pressure regulator
- 4 Inspect and clean fuel injectors
Estimated Repair Cost
USD
$100
–
$400
O2 sensor: $150 - $300; Injector cleaning: $100 - $200