P1404 Diagnostic Trouble Code Discussion for March 2008
EGR Position Sensor Rationality Closed
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| 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 |
