P0404 Diagnostic Trouble Code Discussion for December 2010
EGR Position Sensor Performance
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| Help Request | Posted | |
| 2003 Ford F-250 Super Duty XL 6.0L MIL Lamp on, Injector pump noise VIN: 1FTNX21P83 P0404: EGR Actuator Control Circuit Range/Performance. Customer complaint of a noise when vehical was turned off and happens all the time. Found what i belive is the injection pump buzzing-humming for 30 seconds or more after key has been removed. Same noise as key on for 5 seconds when fuel system pressurizes. V... |
December 02, 2010 |
