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Home >> GMC >> 2002 >> Jimmy 2D Utility, Part Time, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 127 (Engine Controls - System & Component Testing) >> Emission Systems & Sub-Systems (Gasoline) >> Fuel Tank Leak Test >> Test Description
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Test Description

WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2002 Saturn Vue, 2002 Pontiac Montana, 2002 Pontiac Aztek, 2002 Oldsmobile Silhouette, and 2002 Oldsmobile Bravada. However, it is still accessible from the selected car via links, so may be relevant.

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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