Quick checklist
Check O2 sensor wiring, test sensor
OBD2 Codes
P0132 – O2 Sensor Circuit High Voltage (Bank 1 Sensor 1)
O2 sensor voltage too high
Details
The upstream O2 sensor voltage is abnormally high.
Typical causesFaulty O2 sensor, wiring short, rich condition
SymptomsCheck engine light, black smoke
SeverityMedium
DIY checksCheck O2 sensor wiring, test sensor
ToolsOBD2 scanner
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FAQ
Common questions
What causes P0132?
Faulty O2 sensor, wiring short, rich condition
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