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P0405 Diagnostic Trouble Code Discussion for October 2010

EGR Position Sensor Circuit Low Voltage

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Trouble Ticket Help Requests for DTC P0405
Help Request Posted
2001 Chevrolet Silverado 1500 4.8L Misfire, MIL Lamp on VIN: 1GCEK14V0I
P0405: EGR Position Sensor Circuit Low Voltage. Vehicle was driven into shop. Customer states CEL comes on for short periods intermittently. Used SOLUS-PRO Scanner to retrieve codes. I believe Mis-Fire & EGR Codes are a separate issue. Could a faulty EGR be the cause of an engine Mis-fire? The Scan tool...
October 12, 2010