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P1404 Diagnostic Trouble Code Discussion for January 2005

EGR Position Sensor Rationality Closed

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Trouble Ticket Help Requests for DTC P1404
Help Request Posted
1998 Chevrolet Malibu LS 3.1L Misfire, MIL Lamp on VIN: 1G1NE52M7W
P1404: EGR Valve Closed Position Performance. this vehicle is exhibiting random misfires on all cylinders (particularly at idle) on scan data. I've read that these engines have many problems with the injectors so we attempted to flush them several time with no change at all. if any one has any suggestions...
January 04, 2005
1997 Pontiac Grand Am SE 2.4L MIL Lamp on VIN: 1G2NE52T2V
P1404: EGR Valve Closed Position Performance. ... AutoZone and had it "diagnosed" for free. They told them they needed an EGR Valve. Customer called me to ask about installing a valve for them. I suggested that they have us perform a computer engine analysis to confirm AutoZone's "diagnosis...
January 21, 2005