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
Ford
Fuel and Air Metering
High severity
P1082
Exhaust Bank 3- Mixture Adaption Range 2 Lower Lean Limit Not Reached
Ford
Auxiliary Emissions Control
High severity
P1087
O2 Sensor Circuit Slow Response in Lean Control Range Bank 1 Sensor 1
Ford
Fuel and Air Metering
Medium severity
P1088
O2 Sensor Circuit Slow Response in Rich Control Range Bank 1 Sensor 1
Ford
Fuel and Air Metering
Medium severity
P1094
O2 Sensor Circuit Slow Response in Rich Control Range Bank 2 Sensor 1
Ford
Fuel and Air Metering
Medium severity
P1096
O2 Sensor Circuit Slow Switching From Lean to Rich Bank 2 Sensor 1
Ford
Fuel and Air Metering
Medium severity
P1097
O2 Sensor Circuit Slow Response after Coast Down Fuel Cutoff Bank 1 Sensor 1
Ford
Fuel and Air Metering
Medium severity
P1102
Mass Air Flow Sensor In Range But Lower Than Expected
Ford
Fuel and Air Metering
High severity
P1122
Throttle Position Sensor Circuit Intermittent Low Voltage
Ford
Fuel and Air Metering
High severity
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