OBD-II code guide
P0132 Oxygen Sensor Circuit High Voltage Bank 1 Sensor 1
P0132 means the upstream oxygen sensor signal on bank 1 is higher than expected.
What it means
The sensor signal may indicate a rich condition, wiring fault, or sensor problem.
Common symptoms
- Check engine light
- Poor fuel economy
- Black smoke
- Fuel smell
- Rough idle
Likely causes
- Rich fuel mixture
- Leaking injector
- High fuel pressure
- Oxygen sensor fault
- Signal wire short
First checks
- Look for rich codes such as P0172.
- Check fuel trims.
- Inspect sensor wiring.
- Do not ignore fuel smell or black smoke.