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Home >> Cadillac >> 2010 >> Escalade EXT >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 5.3L, 6.0L, 6.2L - DTC P0010 To DTC P0231/P025A >> DTC P0068 or P0121 >> Conditions for Setting the DTC >> P0121

Conditions for Setting the DTC: P0121

The predicted air flow and the predicted MAP combined are outside a calibrated range for more than 3 seconds.

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