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HOMESERVICE MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 119 (ENGINE CONTROLS SELF-DIAGNOSTICS)DRIVE CYCLESINSPECTION/MAINTENANCE EVAPORATIVE EMISSION SYSTEM SET PROCEDURECONDITIONS FOR RUNNING
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2

Conditions for Running

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Conditions for Running
WARNING: This page is about a different car, the 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.

Non Scan Tool Service Bay Test

  • The barometric pressure is more than 75 kPa.
  • The fuel level is between 1/4 and 3/4.
  • The battery voltage is between 10-18 volts.
  • The test will initiate only after a cold start. The control module considers the engine to be cold if the following conditions are met:
    1. The Engine Coolant Temperature (ECT) is between 39-86°F (3.8-30.0°C).
    2. The Intake Air Temperature (IAT) is between 39-86°F (3.8-30.0°C).
    3. The difference between the ECT and the IAT is less than 14°F (8°C).

Scan Tool Service Bay Test

  • The Barometric (BARO) pressure is more than 75 kPa.
  • The ECT is less than 176°F (80°C).
  • The fuel level is between 1/4 and 3/4.
  • The battery voltage is between 10-18 volts.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.