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P0405 Diagnostic Trouble Code Discussion for September 2006

EGR Position Sensor Circuit Low Voltage

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Trouble Ticket Help Requests for DTC P0405
Help Request Posted
2000 Buick Century Custom 3.1L MIL Lamp on VIN: 2G4WS52J2Y
P0405: EGR Position Sensor Circuit Low Voltage. Thank you in advance for any ideas. I am getting a persistent egr low voltage code. I replaced the connector on the egr valve, as I could get the signal to disappear while wiggling the connector, and found a broken terminal inside. However, the problem has ret...
September 13, 2006