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
P1270
Engine RPM Or Speed Limiter Reached
Renault
Vehicle Speed and Idle Control System
Low severity
P040D
Exhaust Gas Recirculation Temperature Sensor A Circuit High
Generic
Auxiliary Emissions Control
Medium severity
P040E
Exhaust Gas Recirculation Temperature Sensor A Circuit Intermittent/Erratic
Generic
Auxiliary Emissions Control
Medium severity
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