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Home >> Cadillac >> 2002 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 341 (Engine Controls - System & Component Testing - 3.4L) >> Fuel Systems >> Fuel Tank Leak Test >> Test Description
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Test Description

WARNING: This page is about a different car, the 2003 Pontiac Grand Am, 2003 Oldsmobile Alero, 2003 Chevrolet Monte Carlo, and 2003 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.

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

  1. 1  - This procedure determines that no EVAP diagnostic DTC is present.
  2. 3  - This test locates fuel leakage in the fuel lines.
  3. 4  - This tests for fuel leaks below the fuel tank fuel level.
  4. 5  - This test locates fuel vapors escaping above the fuel level in the fuel tank.
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