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
P1081
Exhaust Bank 3- Mixture Adaption Range 1 Lower Lean Limit Not Reached
Honda
Auxiliary Emissions Control
High severity
P1084
Exhaust Valve Timing Control Position Sensor Bank 2 Circuit
Honda
Fuel and Air Metering
High severity
P1088
O2 Sensor Circuit Slow Response in Rich Control Range Bank 1 Sensor 1
Honda
Fuel and Air Metering
Medium severity
P1094
O2 Sensor Circuit Slow Response in Rich Control Range Bank 2 Sensor 1
Honda
Fuel and Air Metering
Medium severity
P1097
O2 Sensor Circuit Slow Response after Coast Down Fuel Cutoff Bank 1 Sensor 1
Honda
Fuel and Air Metering
Medium severity
P1102
Mass Air Flow Sensor In Range But Lower Than Expected
Honda
Fuel and Air Metering
High severity
P1112
Intake Air Temperature Sensor Circuit Intermittent Low Voltage
Honda
Fuel and Air Metering
High severity
P1115
Engine Coolant Temperature Sensor Circuit Intermittent High Voltage
Honda
Fuel and Air Metering
High severity
P1123
Throttle Position Sensor Circuit Intermittent High Voltage
Honda
Fuel and Air Metering
High severity
P1127
Exhaust Not Warm Enough Downstream O2 Sensor Not Tested
Honda
Auxiliary Emissions Control
High severity
P1131
Primary Heated Oxygen Sensor Circuit Low Voltage Sensor 1
Honda
Fuel and Air Metering
Medium severity
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