Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 145 (ENGINE CONTROLS - TROUBLESHOOTING - NO CODES)INTERMITTENTSPRELIMINARY
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2
Section 145 (Engine Controls - Troubleshooting - No Codes): INTERMITTENTS: Preliminary
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Preliminary
WARNING: This page is about a different car, the 2003 Cadillac Seville and 2003 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.
See SYMPTOMS for the Important Preliminary Checks Before Starting. The fault must be present to locate a problem using the DTC table. If a fault is intermittent, use the DTC tables may result in the replacement of good parts.
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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.