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P0403 Diagnostic Trouble Code Discussion for October 2014

EGR Solenoid Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0403
Help Request Posted
2005 Chrysler Pacifica Touring 3.5L Surge, MIL Lamp on VIN: 2C4GM68445
P0403: EGR Solenoid Circuit Malfunction. ... Thanks in advance for your replies. This van came in running rough. Customer bought this van at auction and took to dealer for diagnosis. They told him upstream O2 sensor needed to be replaced. Scanned O2s and saw the upstream O2 was not toggling as it sho...
October 24, 2014