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Buick
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2006
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Rainier 4.2 S, RWD
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System - 4.2L - DTC P2101 To P2444
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DTC P2176
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Conditions for Setting the DTC
Conditions for Setting the DTC
The difference between the predicted and the actual throttle position is more than a calibrated amount.
The above condition is met for more than 1.5 seconds.