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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 241 (Engine Controls - System & Component Testing - 4.8L, 5.3L & 6.0L - Flex Fuel & Gasoline) >> Fuel Systems >> Fuel Tank Leak Test >> Test Description

Test Description

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The numbers below refer to step numbers in diagnostic procedures.

  1. 1  - Perform this procedure in order to determine that no EVAP diagnostic DTC is present.
  2. 3  - This test is to locate fuel leakage in fuel lines.
  3. 4  - This tests for fuel leaks below fuel tank fuel level.
  4. 5  - This test is to locate fuel vapors escaping above fuel level in fuel tank.
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