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
P0181
Fuel Temperature Sensor A Circuit Range/Performance
Generic
Fuel and Air Metering
High severity
P0186
Fuel Temperature Sensor B Circuit Range/Performance
Generic
Fuel and Air Metering
High severity
P0191
Fuel Rail Pressure Sensor Circuit Range/Performance
Generic
Fuel and Air Metering
High severity
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