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HOMESERVICE MANUALSCHEVROLET2006SUBURBAN C2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1779 (ENGINE CONTROL SYSTEM & FUEL SYSTEM - 4.8L, 5.3L, 6.0L, 6.2L - TROUBLESHOOTING AND DIAGNOSIS)INSPECTION/MAINTENANCE COMPLETE SYSTEM SET PROCEDURECONDITIONS FOR MEETING A COLD START
2006 Chevrolet Suburban C2500, 6.0 U

Conditions for Meeting a Cold Start

2006 Chevrolet Suburban C2500, 6.0 USECTION Conditions for Meeting a Cold Start
WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  • The ignition voltage is between 10 and 15 V.
  • The barometric pressure (BARO) is more than 75 kPa.
  • The engine coolant temperature (ECT) at start-up is less than 42°C (108°F).
  • The intake air temperature (IAT) is between 2-32°C (36-90°F).
  • The engine is OFF for greater than 6 hours or the following conditions must be met:
    • The start-up IAT minus start-up ECT are within 12°C (22°F).
    • The start-up ECT minus start-up IAT are within 50°C (90°F).
  • Fuel level is between 25 and 75 %.
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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.