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Home >> Buick >> 2005 >> Century Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls (DTC P0016 To DTC P0138) >> Diagnosis >> DTC P0121 >> Conditions for Setting the DTC
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Conditions for Setting the DTC

The PCM detects that the TP sensor voltage is more or less than a predicted value for more than 5 seconds.

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