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 G3500, VAN CARGO, 4.8 VREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 10 (ENGINE CONTROL SYSTEM - 6.6L (LLY) - DTC P0016 TO DTC P0342)DTC P0112 OR P0113CIRCUIT/SYSTEM VERIFICATION
2006 Chevrolet Chevy Express G3500, Van Cargo, 4.8 V
Circuit/System Verification
2006 Chevrolet Chevy Express G3500, Van Cargo, 4.8 VSECTION Circuit/System Verification
WARNING: This page is about a different variant/trim than selected.
IMPORTANT:
If you cannot duplicate the condition, operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records.
If the ignition has been OFF for eight hours or more, the IAT and engine coolant temperature (ECT), should be within 6°C (11°F) of each other and also the ambient temperature.
RENDER: 1.0x
NO RELATED
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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.