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
P1115
Engine Coolant Temperature Sensor Short Circuit- Intermittent High Input
Hyundai
Fuel and Air Metering
High severity
P1166
O2 Sensor System Lambda Controller at the Limit Bank 1
Hyundai
Fuel and Air Metering
Medium severity
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