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Home >> Lexus >> 2003 >> IS 300 Base, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0121: Throttle/Pedal Position Sensor/Switch "A" Circuit Range/Performance Fault >> Diagnosis & Repair

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Diagnosis & Repair

Replace TP sensor and retest.

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