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Home >> Buick >> 2000 >> Century Custom >> Repair and Diagnosis >> External Pages >> Different car >> Section 249 (Engine Controls - Self-Diagnostics) >> Diagnostic Tests >> DTC P0101: Mass Airflow Sensor System Performance >> Test Description

Test Description

WARNING: This page is about a different car, the 2003 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.

The numbers below refer to the step number in the diagnostic procedures.

  1. 4

    This step will determine if MAP sensor voltage is within the proper range at idle.

  2. 5

    This step will determine if MAP sensor responds properly to the change in manifold pressure.

  3. 6

    This step will determine if TP sensor is operating properly.

  4. 7

    This step will determine if any mechanical faults have caused this DTC to set.
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