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P0404 Diagnostic Trouble Code Discussion for July 2011

EGR Position Sensor Performance

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Trouble Ticket Help Requests for DTC P0404
Help Request Posted
2004 GMC Sierra 2500 HD 6.6L No Start VIN: 1GTHK23264
P0404: EGR Open Position Performance. Truck came in, it would crank but not start. Scanned for codes and found the above codes, however truck has a tuner kit on it, customer took it off trying to get the truck to start, not sure if he set any of these codes at that time. Cleared all codes, tried t...
July 26, 2011
2006 Honda Accord EX 3.0L Poor Idle Quality, MIL Lamp on VIN: 1HGCM66546
P0404: EGR Solenoid Control Circuit Range/Performance. ... customer and never happened again. He says that he came to a stop in traffic and felt the engine idling rough. No ses light yet. Got to his destination, still idling rough but not down on power. He said exhaust (pipe) sounded strange. I get the car, check ...
July 26, 2011