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
P1025
Fuel Pressure Control Valve Mechanical Malfunction
Hyundai
Fuel and Air Metering
High severity
P1027
Intake Manifold Air Control Solenoid Short To Ground
Hyundai
Fuel and Air Metering
High severity
P1028
Intake Manifold Air Control Solenoid Short Open Circuit
Hyundai
Fuel and Air Metering
High severity
P1031
Air Fuel Ratio Sensor 1 Heater Control Circuit Low Bank 1
Hyundai
Fuel and Air Metering
High severity
P1032
Air Fuel Ratio Sensor 1 Heater Control Circuit High Bank 1
Hyundai
Fuel and Air Metering
High severity
P1035
Nitrogen Oxides Sensor Range Performance Problem
Hyundai
Auxiliary Emissions Control
Medium severity
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