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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 277 (Engine Controls And Fuel - 3.6L (LGX LF4) - DTC P0010 To DTC P0119 (LF4)) >> Diagnostic Information and Procedures >> DTC P0068 or P1101: Throttle Body Air Flow/ Intake Air Flow System (LF4) >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.

The engine control module (ECM) compares actual air flow based on throttle position (TP) to a calculated air flow based on manifold absolute pressure (MAP) sensor, and the two mass air flow (MAF) sensors.

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