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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 408 (Engine Controls - System Testing & Engine Component Tests - 3.1L) >> Sensors & Switches >> Manifold Absolute Pressure Sensor >> Test Description

Test Description

WARNING: This page is about a different car, the 2003 Pontiac Grand Prix, 2003 Chevrolet Malibu, and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.

The number below refers to the step number in the diagnostic procedure.

  1. 4  - This step tests the MAP sensor's ability to correctly indicate BARO.
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