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
P1026
Intake Manifold Air Control Solenoid Short To Positive
Ford
Fuel and Air Metering
High severity
P1031
Air Fuel Ratio Sensor 1 Heater Control Circuit Low Bank 1
Ford
Fuel and Air Metering
High severity
P1032
Air Fuel Ratio Sensor 1 Heater Control Circuit High Bank 1
Ford
Fuel and Air Metering
High severity
P1034
Nitrogen Oxides Sensor Signal Outside Tolerance
Ford
Auxiliary Emissions Control
Medium severity
P1035
Nitrogen Oxides Sensor Range Performance Problem
Ford
Auxiliary Emissions Control
Medium severity
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