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
Mercedes Benz
Vehicle Speed and Idle Control System
Low severity
P1288
Cylinder Head Temperature Sensor Out of Self-Test Range
Mercedes Benz
Injector Circuit
High severity
P1326
Ignition Control Module Combustion Quality Input Signal
Mercedes Benz
Ignition System
High severity
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