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Home >> Buick >> 2003 >> Century Custom >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls Self-Diagnostics - 3.1L Engine >> Diagnostic Tests >> DTC P0101: MAF Sensor Performance >> Test Description
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Test Description

The numbers below refer to the step numbers in the diagnostic procedure.

  1. 5  - This step will determine if the MAP sensor pressure is within the proper range for a given altitude.
  2. 6  - This step will determine if the MAP sensor voltage is within the proper range at idle.
  3. 7  - This step will determine if the MAP sensor responds properly to the change in manifold pressure.
  4. 8  - This step will determine if the TP sensor is operating properly.
  5. 9  - This step will determine if any mechanical faults have caused this DTC to set.
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