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
P2121
Throttle/Pedal Position Sensor/Switch D Circuit Range/Performance
Fuel and Air Metering
High severity
P2128
Throttle/Pedal Position Sensor/Switch E Circuit High Input
Fuel and Air Metering
High severity
P2131
Throttle/Pedal Position Sensor/Switch F Circuit Range Performance
Fuel and Air Metering
High severity
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