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.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 959 (ENGINE CONTROL SYSTEM & FUEL SYSTEM - 6.6L (LMM) - DTC P029D TO DTC P1448)DTC P0405 OR P0406TYPICAL SCAN TOOL DATA
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2
Typical Scan Tool Data
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Typical Scan Tool Data
WARNING: This page is about a different car, the 2007 GMC Savana Special, 2007 GMC Savana Camper Special, 2007 GMC Savana, and 2007 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
EGR Position Sensor
| Circuit | Normal Range | Short to Ground | Open | Short to Voltage |
|---|---|---|---|---|
| Operating Conditions:Β Engine Running | ||||
| EGR 5-Volt Reference Voltage | 0.98 Volts | 0 Volts | 0 Volts | 1.29 Volts |
| EGR Sensor Signal | 0.98 Volts | 0 Volts | 0 Volts | 4.98 Volts |
| EGR Low Reference | 0.98 Volts | - | 4.8 Volts | - |
| High Motor Control | 0.98 Volts | 0.98 Volts | 0.98 Volts | 1.12 Volts |
| Low Motor Control | 0.98 Volts | 0.98 Volts | 0.98 Volts | 0.98 Volts |
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.