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P0405 Diagnostic Trouble Code Discussion for March 2008

EGR Position Sensor Circuit Low Voltage

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Trouble Ticket Help Requests for DTC P0405
Help Request Posted
1999 Cadillac Escalade 5.7L Shutter over 55 VIN: 1GYEK13R4X
P0405: EGR Position Sensor Circuit Low Voltage. This vehicale has a shutter or thump over 45 mph when going into over drive or when slightly touching gas pedal or when letting up on pedal slightly. New IAC, TPS, Lower Intake Gasket had been installed by someone else. We felt it was a transmission problem at...
March 04, 2008