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P0404 Diagnostic Trouble Code Discussion for June 2008

EGR Position Sensor Performance

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Trouble Ticket Help Requests for DTC P0404
Help Request Posted
2004 Honda Accord EX 2.4L MIL Lamp on VIN: J4T1798654
P0404: EGR Solenoid Control Circuit Range/Performance. 70,000 mile Honda that sets P0404. EGR valve has been replaced. Wiring and connectors are good. Do these clog EGR passages like the V-6? Engine will run rough when EGR is commanded open, does not stall. Runs with a rolling idle with EGR valve removed.
June 06, 2008