× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network

P0404 Diagnostic Trouble Code Discussion for June 2011

EGR Position Sensor Performance

Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0404
Help Request Posted
2006 Ford F-250 Super Duty XLT 6.0L Excessive Emissions, Cuts out, Misfire VIN: 1FT5W21P26
P0404: EGR Actuator Control Circuit Range/Performance. hey guys need some help. this is our first 6.0 and it is not going well. not sure where to go from here. after replacement of injectors we no longer are getting contribution codes, still have EGR codes, still have heavy black smoke, zero power at times. some o...
June 09, 2011
2003 Chevrolet Silverado 2500 HD LT 6.6L Excessive Emissions VIN: 1GCHK23137
P0404: EGR Open Position Performance. ... exhaust at idle starting at 148,000 miles you would'nt have noticed it unless you were really looking for it. Now at 160,000 miles and after a drive on the freeway of about 50 miles you can see a ton of white smoke at idle from the tailpipe like a BBQ on t...
June 13, 2011