LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 2003 >> Chevy Express G2500, Van Cargo Extended, 4.3 X, 4L60E/M30 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Component Tests - 4.3L >> Fuel Systems >> Fuel Tank Leak Test >> Test Description
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Test Description

The numbers below refer to step numbers in diagnostic procedures.

  1. 1  - Perform this procedure in order to determine that no EVAP diagnostic DTC is present.
  2. 3  - This test is to locate fuel leakage in fuel lines.
  3. 4  - This tests for fuel leaks below fuel tank fuel level.
  4. 5  - This test is to locate fuel vapors escaping above fuel level in fuel tank.
scientia non olet · About LEMON Manuals