OBD fault code library
Look up any P or U code to see what it means, what causes it, the parts involved and how it gets fixed.
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Fault codes
P1143
HO2S Bank 1 Sensor 3 Lean System or Low Voltage
Chevrolet
Fuel and Air Metering
Medium severity
P1146
Heated Oxygen Sensor 2 Minimum Voltage Monitoring Bank 1
Chevrolet
Fuel and Air Metering
Medium severity
P1147
Heated Oxygen Sensor 2 Maximum Voltage Monitoring Bank 1
Chevrolet
Fuel and Air Metering
Medium severity
P1150
Lack of Upstream Heated Oxygen Sensor Switch Adaptive Fuel Limit Bank 2
Chevrolet
Fuel and Air Metering
Medium severity
P1152
Lack of Upstream Heated Oxygen Sensor Switch Sensor Indicates Rich Bank 2
Chevrolet
Fuel and Air Metering
Medium severity
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