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HOMESERVICE MANUALSCHEVROLET2006COBALT SS, 4D SEDAN, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 5 (ENGINE CONTROLS - 2.0L - TROUBLESHOOTING & DIAGNOSIS)INSPECTION/MAINTENANCE (I/M) COMPLETE SYSTEM SET PROCEDURECONDITIONS FOR RUNNING
2006 Chevrolet Cobalt SS, 4D Sedan, Standard

Conditions for Running

2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION Conditions for Running
WARNING: This page is about a different variant/trim than selected.

Cold Start

  • The barometric pressure (BARO) is more than 74 kPa.
  • The start-up engine coolant temperature (ECT) is between 4-30°C (39-86°F).
  • The start-up intake air temperature (IAT) is between 4-30°C (39-86°F).
  • The difference between the startup IAT and the startup ECT is 8°C (14.4°F) or less.
  • The battery voltage is between 9-18 volts.
  • The fuel level is between 15-85 percent.
  • The Evaporative Emission (EVAP) System requires the above conditions along with the following:
    • Three or more drive cycles with a minimum of 17 hours between cycles
    • The estimated ambient temperature at the end of this drive cycle is between 2-32°C (36-89°F).
    • The shutdown ECT is 70°C (158°F) or higher.
    • A refueling event is not detected.
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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.