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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Basic Diagnostic Procedures >> No-Start Diagnosis >> No-Start - Engine Cranks Okay (8.1L) >> Test Description

Test Description

The numbers below refer to the step numbers in the diagnostic procedure.

  1. 3

    This step determines if ignition relay is providing ECM 1, ETC, INJ A and INJ B fuses with voltage.

  2. 5

    This step determines if fuel pump is operating electrically.

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