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Home >> Chevrolet >> 2001 >> Camaro Base, 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 43 (Engine Control System Self-Diagnostics - 3.8L) >> Diagnostic Tests >> DTC P0440: EVAP System - Large Leak >> Test Description

Test Description

WARNING: This page is about a different car, the 2002 Pontiac Firebird and 2002 Chevrolet Camaro. 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 procedures.

  1. 4

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

  2. 5

    This step verifies proper operation of the Fuel Tank Pressure (FTP) sensor.

  3. 8

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

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