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
P1095
O2 Sensor Circuit Slow Switching From Lean to Rich Bank 1 Sensor 1
Toyota
Fuel and Air Metering
Medium severity
P1105
Manifold Absolute Pressure Sensor Circuit Malfunction
Toyota
Fuel and Air Metering
High severity
P1116
Coolant Temperature Sensor Circuit Stack for Coolant Heat Storage System
Toyota
Fuel and Air Metering
High severity
P1123
Coolant Flow Control Valve Position Sensor Circuit High
Toyota
Fuel and Air Metering
High severity
P1130
Air/Fuel Ratio Sensor Circuit Range/Performance Malfunction Bank 1 Sensor 1
Toyota
Fuel and Air Metering
High severity
P1135
Air/Fuel Ratio Sensor Heater Circuit Malfunction Bank 1 Sensor 1
Toyota
Fuel and Air Metering
High severity
P1143
Heated Oxygen Sensor 1 Lean Shift Monitoring Bank 1
Toyota
Fuel and Air Metering
Medium severity
P1147
Heated Oxygen Sensor 2 Maximum Voltage Monitoring Bank 1
Toyota
Fuel and Air Metering
Medium severity
P1110
HO2S Heating Circuit Bank 2 Sensor 2 Short To Positive
Volkswagen
Fuel and Air Metering
Medium severity
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