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P1404 Diagnostic Trouble Code Discussion for October 2010

EGR Position Sensor Rationality Closed

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Trouble Ticket Help Requests for DTC P1404
Help Request Posted
2005 Saturn Relay-2 3.5L MIL Lamp on VIN: 5GZDV03L75
P1404: EGR Valve Closed Position Performance. keeps setting egr code. we replaced with the updated valve and harness w/pipe and sent to dealer for PCM calibration but still sets egr code. i checked ports when replacing the valve and it is clear. double checked wiring and i think i got the wiring correct a...
October 11, 2010