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
P1082
Exhaust Bank 3- Mixture Adaption Range 2 Lower Lean Limit Not Reached
Skoda
Auxiliary Emissions Control
High severity
P1086
Exhaust Bank 4- Mixture Adaption Range 2 Lower Lean Limit Not Reached
Skoda
Auxiliary Emissions Control
High severity
P1087
Exhaust Bank 4- Mixture Adaption Range 1 Lower Rich Limit Not Reached
Skoda
Auxiliary Emissions Control
High severity
P1094
O2 Sensor Circuit Slow Response in Rich Control Range Bank 2 Sensor 1
Skoda
Fuel and Air Metering
Medium severity
P1095
O2 Sensor Circuit Slow Switching From Lean to Rich Bank 1 Sensor 1
Skoda
Fuel and Air Metering
Medium severity
P1103
HO2S Heating Circuit Bank 1 Sensor 1 Voltage Too Low
Skoda
Fuel and Air Metering
Medium severity
P1105
HO2S Heating Circuit Bank 1 Sensor 2 Short To Positive
Skoda
Fuel and Air Metering
Medium severity
P1110
HO2S Heating Circuit Bank 2 Sensor 2 Short To Positive
Skoda
Fuel and Air Metering
Medium severity
P1114
HO2S Sensor Heater Resistance Too High Bank 1 Sensor 2
Skoda
Fuel and Air Metering
Medium severity
P1117
HO2S Sensor Heater Circuit Short To Ground Bank 1 Sensor 2
Skoda
Fuel and Air Metering
Medium severity
P1121
HO2S Sensor Heater Circuit Short To Ground Bank 2 Sensor 2
Skoda
Fuel and Air Metering
Medium severity
P1125
Long Term Fuel Trim Adjustment Bank 2 System Too Rich
Skoda
Fuel and Air Metering
High severity
P1133
HO2S Heater Circuit- Bank 1 & 2 Sensor 1 Electrical Malfunction
Skoda
Fuel and Air Metering
Medium severity
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