P1404 Diagnostic Trouble Code Discussion for November 2004
EGR Position Sensor Rationality Closed
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| 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 |
