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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 53 (Engine Controls And Fuel - 6.0L - DTC P0030 To DTC P0140) >> DTC P0068 >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.

The PCM detects that the difference between the actual airflow and the speed density calculated air flow is greater than expected for more than 1.88 seconds.