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Pontiac
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1996
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Trans Sport
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Repair and Diagnosis
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Engine Control System - Tests W/Codes
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Diagnostic Trouble Codes
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DTC P0121 - TP Sensor System Performance
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Conditions required to set DTC are:
Conditions required to set DTC are:
Engine running and throttle steady.
No MAP or TP sensor DTCs are set
Predicted TP ANGLE not close to actual TP ANGLE.
Above conditions present more than 10 seconds.