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Home › Toyota › 1995 › Tercel Base, Automatic › Repair and Diagnosis › Engine Performance › System › Engine Controls - Tests W/Codes › Diagnostic Testing › Code P0121 - Throttle Position Sensor (TPS) Circuit Range/Performance Problem › Diagnosis & Repair

Diagnosis & Repair

If only Code P0121 is displayed, replace TPS and retest. If other codes are displayed, diagnose and repair those codes first and retest.