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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 81 (Engine Controls - Self-Diagnostics - 8.1L) >> Diagnostic Tests >> DTC P0106: Map System Performance >> Diagnostic Aids

Diagnostic Aids

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  1. Inspect for the following conditions:
    • Restrictions in the MAP sensor vacuum source.
    • MAP sensor seal is missing or damaged.
    • Vacuum hoses disconnected, damaged, or incorrectly routed.
    • Intake manifold vacuum leaks.
    • Vacuum leaks at the throttle body.
  2. If an intermittent condition exists, see INTERMITTENT CONDITIONS  under SELF-DIAGNOSTIC SYSTEM.