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Home >> Toyota >> 2002 >> 4Runner Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Self-Diagnostics >> Diagnostic Tests >> DTC P1121: Accelerator Pedal Position Sensor Range/Performance >> Diagnosis & Repair
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Diagnosis & Repair

If DTC P1121 exists, accelerator pedal position sensor is defective. Replace throttle body with accelerator pedal position sensor as an assembly. See THROTTLE BODY under FUEL SYSTEMS in REMOVAL, OVERHAUL & INSTALLATION - V6 & V8 article.

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