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Home >> Chevrolet >> 1998 >> Tracker 4D Utility, RWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Diagnostic Trouble Codes >> DTC P0121: Throttle Position (TP) Sensor System Performance >> Condition For Setting DTC
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Condition For Setting DTC

Difference between expected TP sensor input and actual input is greater than specified valve for at least 3 seconds.

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