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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 67 (Engine Controls Self-Diagnostics - 4.3L) >> Diagnostic Tests >> DTC P0106: Map System Performance >> Diagnostic Aids

Diagnostic Aids

WARNING: This page is about a different car, the 2002 GMC Savana and 2002 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
  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.
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