LEMON Manuals
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2004
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IS 300 Base, Automatic
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Repair and Diagnosis
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Different car
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Section 57 (Engine Controls - Self-Diagnostics)
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Diagnostic Tests
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DTC P2121: Throttle/Pedal Position Sensor/Switch "D" Circuit Range/Performance
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Diagnosis & Repair
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Diagnosis & Repair
WARNING:
This page is about a different car, the 2003 Lexus LX 470. However, it is still accessible from the selected car via links, so may be relevant.
Replace accelerator pedal assembly.