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Home >> Cadillac >> 2003 >> Seville STS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System & Component Testing >> Fuel Systems >> Fuel Tank Leak Test >> Test Description

Test Description

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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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