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P0404 Diagnostic Trouble Code Discussion for May 2014

EGR Position Sensor Performance


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Trouble Ticket Help Requests for DTC P0404
Help Request Posted
2007 Ford F-350 Super Duty XLT 6.0L MIL Lamp on VIN: 1FDWW37P87
P0404: EGR Actuator Control Circuit Range/Performance. ... for code P0299 (turbo under boost). Code resurfaces after about 200 miles of driving, with no customer complaint of loss of engine peformance. EGR valve was replaced last month with the intake plenum being cleaned with seafoam. KOER test was performed and ...
May 09, 2014