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2003
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XJ8 Base
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Repair and Diagnosis (Single Page)
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Engine Performance
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System
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Engine Controls - Self-Diagnostics
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Diagnostic Trouble Code Identification
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DTC P1121: Pedal Position Sensor Circuit Range/Performance
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Possible Causes
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Possible Causes
PPS cable adjustment incorrect.
PPS to ECM sensing circuits 1 and 2 open, shorted or high resistance.
PPS power supply fault.
PPS reference ground fault.
PPS failure.