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Home >> Lexus >> 2002 >> IS 300 Base, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 37 (Engine Controls - Self-Diagnostics) >> Diagnostic Tests >> DTC P2121: Throttle/Pedal Position Sensor/Switch "D" Circuit Range Performance >> Diagnosis & Repair
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Diagnosis & Repair

WARNING: This page is about a different car, the 2003 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.

Replace accelerator pedal position sensor. See SENSORS & SWITCHES in REMOVAL & INSTALLATION article.