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Home >> Buick >> 2002 >> Century Custom >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Self-Diagnostics - 3.1L Engine >> Diagnostic Tests >> DTC P0442: EVAP System - Leak Detected >> Test Description

Test Description

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

  1. 4

    This step verifies that a leak is present.

  2. 5

    This step verifies that repairs are complete and that there are no other leaks in the system.
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