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
P1094
O2 Sensor Circuit Slow Response in Rich Control Range Bank 2 Sensor 1
BMW
Fuel and Air Metering
Medium severity
P1096
O2 Sensor Circuit Slow Switching From Lean to Rich Bank 2 Sensor 1
BMW
Fuel and Air Metering
Medium severity
P1097
O2 Sensor Circuit Slow Response after Coast Down Fuel Cutoff Bank 1 Sensor 1
BMW
Fuel and Air Metering
Medium severity
P1104
Differential Pressure Sensor Intake Manifold Plausibility
BMW
Fuel and Air Metering
High severity
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