Mike's Workshop Manuals
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Chevrolet
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2006
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Chevy Express G2500, Van Cargo Extended, 6.6 2
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System - 6.6L (LLY) - DTC P0401 To DTC P268A
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DTC P0405
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Typical Scan Tool Data
Typical Scan Tool Data
EGR Position Sensor
Circuit
Normal Range
Short to Ground
Open
Short to Voltage
Operating Conditions:
Engine Running
EGR 5-Volt Reference Voltage
0.86 Volts
0 Volts
0 Volts
1.29 Volts
EGR Sensor Signal
0.86 Volts
0 Volts
0 Volts
4.98 Volts
EGR Low Reference
0.86 Volts
-
4.8 Volts
-