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P0404 Diagnostic Trouble Code Discussion for October 2008

EGR Position Sensor Performance


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Trouble Ticket Help Requests for DTC P0404
Help Request Posted
2005 Chevrolet Malibu LS 3.5L MIL Lamp on VIN: 1G1ZT54875
P0404: EGR Open Position Performance. ... codes to set, but it is frustrating for both me and the customer. The dealer did the service bulletin for code P0404 on 1-2-07 @ 32636 miles which was to replace the Delco EGR valve with a Seimens part,tubes,gaskets,conne...
October 14, 2008
2000 GMC Safari SL 4.3L MIL Lamp on VIN: 1GKDM19W9Y
P0404: EGR Open Position Performance. Thanks in advance for your help. Heres the story, van came in with a CEL and found codes po404 and po405. Checked over and cleared codes and po405 (egr sensor a voltage low) Came back right away. Check data and dead on zero. Went though checks on egr and check...
October 27, 2008
2005 Chevrolet Malibu LS 3.5L MIL Lamp on VIN: 1G1ZT54875
P0404: EGR Open Position Performance. ... codes to set, but it is frustrating for both me and the customer. The dealer did the service bulletin for code P0404 on 1-2-07 @ 32636 miles which was to replace the Delco EGR valve with a Seimens part,tubes,gaskets,conne...
October 14, 2008
2000 GMC Safari SL 4.3L MIL Lamp on VIN: 1GKDM19W9Y
P0404: EGR Open Position Performance. Thanks in advance for your help. Heres the story, van came in with a CEL and found codes po404 and po405. Checked over and cleared codes and po405 (egr sensor a voltage low) Came back right away. Check data and dead on zero. Went though checks on egr and check...
October 27, 2008