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P1404 Diagnostic Trouble Code Discussion for March 2008

EGR Position Sensor Rationality Closed


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Trouble Ticket Help Requests for DTC P1404
Help Request Posted
2000 Buick Century Custom 3.1L MIL Lamp on VIN: 2G4WY55J61
P1404: EGR Valve Closed Position Performance. i have replaced the egr valve reset codes and the light came back on after thirty minutes driving then i reprogrammed the computer and the light came on again
March 18, 2008
2001 Oldsmobile Alero GL 3.4L MIL Lamp on VIN: 1G3NL52E31
P1404: EGR Valve Closed Position Performance. hay guys this one has me stumped at idle egr position is 11% to 15% egr position voltage 0.78v at egr and at ecm. egr learned min position is 0.41v, reference voltage 5.00v. With egr unplugged egr position at ecm is 0% if you jump rev reference to egr positi...
March 29, 2008
2001 Oldsmobile Alero GL 3.4L MIL Lamp on VIN: 1G3NL52E31
P1404: EGR Valve Closed Position Performance. hay guys this one has me stumped at idle egr position is 11% to 15% egr position voltage 0.78v at egr and at ecm. egr learned min position is 0.41v, reference voltage 5.00v. With egr unplugged egr position at ecm is 0% if you jump rev reference to egr positi...
March 30, 2008
2000 Buick Century Custom 3.1L MIL Lamp on VIN: 2G4WY55J61
P1404: EGR Valve Closed Position Performance. i have replaced the egr valve reset codes and the light came back on after thirty minutes driving then i reprogrammed the computer and the light came on again
March 18, 2008
2001 Oldsmobile Alero GL 3.4L MIL Lamp on VIN: 1G3NL52E31
P1404: EGR Valve Closed Position Performance. hay guys this one has me stumped at idle egr position is 11% to 15% egr position voltage 0.78v at egr and at ecm. egr learned min position is 0.41v, reference voltage 5.00v. With egr unplugged egr position at ecm is 0% if you jump rev reference to egr positi...
March 29, 2008
2001 Oldsmobile Alero GL 3.4L MIL Lamp on VIN: 1G3NL52E31
P1404: EGR Valve Closed Position Performance. hay guys this one has me stumped at idle egr position is 11% to 15% egr position voltage 0.78v at egr and at ecm. egr learned min position is 0.41v, reference voltage 5.00v. With egr unplugged egr position at ecm is 0% if you jump rev reference to egr positi...
March 30, 2008