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
Accelerator Pedal Position Sensor A/D Converter Error
Chevrolet
Vehicle Speed and Idle Control System
Low severity
P1974
Issue in secondary air injection valve (controls emission)
Skoda
Auxiliary Emissions Control
High severity
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