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
P1052
Air Fuel Ratio Sensor 1 Heater Control Circuit High Bank 2
Chevrolet
Fuel and Air Metering
High severity
P1077
Intake Manifold Runner Control System Malfunction Low RPM
Chevrolet
Fuel and Air Metering
High severity
P1081
Exhaust Bank 3- Mixture Adaption Range 1 Lower Lean Limit Not Reached
Chevrolet
Auxiliary Emissions Control
High severity
P1082
Exhaust Bank 3- Mixture Adaption Range 2 Lower Lean Limit Not Reached
Chevrolet
Auxiliary Emissions Control
High severity
P1088
O2 Sensor Circuit Slow Response in Rich Control Range Bank 1 Sensor 1
Chevrolet
Fuel and Air Metering
Medium severity
P1094
O2 Sensor Circuit Slow Response in Rich Control Range Bank 2 Sensor 1
Chevrolet
Fuel and Air Metering
Medium severity
P1097
O2 Sensor Circuit Slow Response after Coast Down Fuel Cutoff Bank 1 Sensor 1
Chevrolet
Fuel and Air Metering
Medium severity
P1102
Mass Air Flow Sensor In Range But Lower Than Expected
Chevrolet
Fuel and Air Metering
High severity
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