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LS 430
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SFI System - Diagnostics
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DTC P0121: Throttle Pedal Position Sensor/Switch "A" Circuit Range/Performance Problem
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Typical Malfunction Thresholds
Typical Malfunction Thresholds
TYPICAL MALFUNCTION THRESHOLDS TABLE
VTA1 voltage - VTA2 voltage x 0.8 (corrected by leaning valve)
Less than 0.8 V, or more than 1.6 V