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Home >> Chevrolet >> 2002 >> Venture Plus >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls Self-Diagnostics >> Diagnostic Tests >> DTC P0440: EVAP System - Large Leak >> Test Description
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Test Description

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

  1. 4

    This step is used to verify if a leak is present.

  2. 5

    This step verifies proper operation of the FTP sensor.

  3. 8

    This step tests the EVAP canister purge valve for a restriction or blockage.

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