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P1404 Diagnostic Trouble Code Discussion for November 2004

EGR Position Sensor Rationality Closed


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Trouble Ticket Help Requests for DTC P1404
Help Request Posted
1994 Buick Century Custom 3.1L MIL Lamp on VIN: RRR6425548
P1404: 2 egr solinoid malfunction. Codes will set after driving a while and pcm will see solinoids fail. Pcm will set codes for the #3 solinoid first, then set code for #2 solinoid next. I can ground out each solinoid and cause egr to work and notice a drop in rpm with each one. I can test driv...
November 10, 2004
1999 Oldsmobile Alero GL 3.4L Poor Idle Quality, Stall, Poor Fuel Economy, MIL Lamp on VIN: 1G3NL52E4X
P1404: EGR Valve Closed Position Performance. Intermitent Mil and log of codes noted, just wanted to know for sure before replacing EGR. Any personal insite would be much appreciated.
November 16, 2004
1999 Oldsmobile Alero GL 3.4L Poor Idle Quality, Stall, Poor Fuel Economy, MIL Lamp on VIN: 1G3NL52E4X
P1404: EGR Valve Closed Position Performance. Intermitent Mil and log of codes noted, just wanted to know for sure before replacing EGR. Any personal insite would be much appreciated.
November 21, 2004
1994 Buick Century Custom 3.1L MIL Lamp on VIN: RRR6425548
P1404: 2 egr solinoid malfunction. Codes will set after driving a while and pcm will see solinoids fail. Pcm will set codes for the #3 solinoid first, then set code for #2 solinoid next. I can ground out each solinoid and cause egr to work and notice a drop in rpm with each one. I can test driv...
November 10, 2004
1999 Oldsmobile Alero GL 3.4L Poor Idle Quality, Stall, Poor Fuel Economy, MIL Lamp on VIN: 1G3NL52E4X
P1404: EGR Valve Closed Position Performance. Intermitent Mil and log of codes noted, just wanted to know for sure before replacing EGR. Any personal insite would be much appreciated.
November 16, 2004
1999 Oldsmobile Alero GL 3.4L Poor Idle Quality, Stall, Poor Fuel Economy, MIL Lamp on VIN: 1G3NL52E4X
P1404: EGR Valve Closed Position Performance. Intermitent Mil and log of codes noted, just wanted to know for sure before replacing EGR. Any personal insite would be much appreciated.
November 21, 2004