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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1366 (Engine Controls And Fuel - 4.8L, 5.3L, 6.0L, 6.2L - DTC P0010 To DTC P0230) >> DTC P0068 or P0121 >> Conditions for Setting the DTC >> P0121

Conditions for Setting the DTC: P0121

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

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

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