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Home >> Buick >> 2004 >> Century Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls (DTC P0506 To P1640) >> Engine Controls Diagnosis >> DTC P1111 >> Conditions for Setting the DTC
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Conditions for Setting the DTC

The PCM detects that the intake air temperature (IAT) is less than -38°C (-36°F) intermittently for more than 3 seconds.

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