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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 116 (Engine Controls - Self-Diagnostics - 4.0L) >> Diagnostic Tests >> DTC P0106: Map System Performance >> Test Description

Test Description

WARNING: This page is about a different car, the 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.

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

  1. 3

    This step tests the MAP sensor's ability to correctly indicate barometric pressure.

  2. 5

    This step tests the MAP sensor's ability to respond to an increase in engine vacuum.

  3. 6

    This step tests for a proper MAP sensor voltage with an applied vacuum.
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