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Home >> Oldsmobile >> 2002 >> Bravada AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Self-Diagnostics - 4.2L >> Diagnostic Tests >> DTC P0105: Map System Performance >> Diagnostic Aids
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Diagnostic Aids

  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. This DTC may set due to any condition that may cause an unreasonably high or low MAP value including the following engine conditions:
    • Incorrect cam timing.
    • Restricted exhaust.
    • Worn piston rings.
    • Low fuel pressure.
  3. If an intermittent condition exists, see INTERMITTENT CONDITIONS  under SELF-DIAGNOSTIC SYSTEM.
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