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Home >> Chevrolet >> 2005 >> Impala Base, 3.4 E >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 3.4L - DTC P0016 - P0138 >> Diagnostic Information & Procedures >> DTC P0121 >> DTC Descriptor

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DTC Descriptor

This diagnostic procedure supports the following DTC:

DTC P0121 Throttle Position (TP) Sensor Performance

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