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
P1078
Intake Manifold Runner Control System Malfunction High RPM
Audi
Fuel and Air Metering
High severity
P1082
Exhaust Bank 3- Mixture Adaption Range 2 Lower Lean Limit Not Reached
Audi
Auxiliary Emissions Control
High severity
P1084
Exhaust Bank 3- Mixture Adaption Range 2 Lower Rich Limit Not Reached
Audi
Auxiliary Emissions Control
High severity
P1088
Exhaust Bank 4- Mixture Adaption Range 2 Lower Rich Limit Not Reached
Audi
Auxiliary Emissions Control
High severity
P1094
O2 Sensor Circuit Slow Response in Rich Control Range Bank 2 Sensor 1
Audi
Fuel and Air Metering
Medium severity
P1097
O2 Sensor Circuit Slow Response after Coast Down Fuel Cutoff Bank 1 Sensor 1
Audi
Fuel and Air Metering
Medium severity
P1105
HO2S Heating Circuit Bank 1 Sensor 2 Short To Positive
Audi
Fuel and Air Metering
Medium severity
P1110
HO2S Heating Circuit Bank 2 Sensor 2 Short To Positive
Audi
Fuel and Air Metering
Medium severity
P1114
HO2S Sensor Heater Resistance Too High Bank 1 Sensor 2
Audi
Fuel and Air Metering
Medium severity
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