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Home >> Oldsmobile >> 2004 >> Bravada AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 249 (Engine Control System & Engine Component Tests - 2.2L) >> Fuel Systems >> Fuel Tank Leak Test >> Test Description

Test Description

WARNING: This page is about a different car, the 2003 GMC Sonoma and 2003 Chevrolet S10 Pickup. 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 procedures.

  1. 1  - Perform this procedure in order to determine that no EVAP DTC is present.
  2. 3  - This test locates fuel leakage in the fuel pipes.
  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 fuel tank.
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