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Test Description

WARNING: This page is about a different car, the 2003 Pontiac Sunfire, 2003 Pontiac Grand Am, 2003 Oldsmobile Alero, and 2003 Chevrolet Cavalier. 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. 1  - Perform this procedure to determine that no EVAP diagnostic DTC is present.
  2. 3  - This test is to locate fuel leakage in the fuel lines.
  3. 4  - This tests for fuel leaks below the fuel tank fuel level.
  4. 5  - This test is to locate fuel vapors escaping above the fuel level in the fuel tank.
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