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P0405 Diagnostic Trouble Code Discussion for March 2009

EGR Position Sensor Circuit Low Voltage

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Trouble Ticket Help Requests for DTC P0405
Help Request Posted
2001 Buick Century Limited 3.1L Hesitation, Misfire VIN: 2G4WY55J01
P0405: EGR Position Sensor Circuit Low Voltage. Hi all. This car has problems on acceleration. It has a miss/jerking and low power when accelerating. It happens most of the time, but sometimes not during the 1st minutes of a cold start. Otherwise during all accel, including on the highway. Also at times, wh...
March 25, 2009