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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 410 (Engine Controls - Self Diagnostics - 4.3L) >> Diagnostic Tests >> DTC P0106: Map System Performance >> Test Description

Test Description

WARNING: This page is about a different car, the 2003 GMC Sierra and 2003 Chevrolet Silverado. 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. 5

    This step tests the MAP sensors ability to correctly indicate barometric pressure.

  2. 7

    This step tests the MAP sensors ability to respond to an increase in engine vacuum.

  3. 9

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

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