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P1404 Diagnostic Trouble Code Discussion for June 2005

EGR Position Sensor Rationality Closed

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Trouble Ticket Help Requests for DTC P1404
Help Request Posted
2000 Chevrolet Lumina 3.1L Poor Idle Quality, Misfire VIN: 1GNE52JXY6
P1404: EGR Valve Closed Position Performance. ... this car came to us with a running rough complaint, we could not duplicate, but it did have the p0300 and an egr code p1404 egr position error. we did our normal checks and found the intake and head gaskets leaking coolant. It had new wires and bosch plugs...
June 13, 2005