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 P0045REPAIR VERIFICATION
2006 Chevrolet Chevy Express G3500, Van Cargo, 4.8 V
Repair Verification
2006 Chevrolet Chevy Express G3500, Van Cargo, 4.8 VSECTION Repair Verification
WARNING: This page is about a different variant/trim than selected.
With the engine at idle, using a scan tool, observe the TC vane position sensor actual and the desired parameters while slowly increasing the engine speed from idle to 2,500 RPM, and slowly decreasing the engine speed to idle.
- The TC vane position actual parameter should remain near or equal to the desired parameter throughout the engine speed range.
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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.