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Home >> Chevrolet >> 2001 >> Impala LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 249 (Engine Controls - System & Component Testing) >> Fuel Systems >> Fuel Tank Leak Test >> Test Description
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Test Description

WARNING: This page is about a different car, the 2003 Cadillac Seville and 2003 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.

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

  1. 4

    This tests for fuel leaks below the fuel tank fuel level.

  2. 5

    This test is to locate fuel vapors escaping above the fuel level in the fuel tank.
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