Join Now
International Automotive Technicians Network

P0404 Diagnostic Trouble Code Discussion for March 2009

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
2005 Ford E-350 Super Duty 6.0L MIL Lamp on VIN: 1FTSE34P75
P0404: EGR Actuator Control Circuit Range/Performance. ... p401,p0404 in memory. removed egr,cleaned egr ports.installed new egr trucks runs good. still wont pass engine running test p0404 & p1408.removed exhaust from egr cooler,removed egr.blew air through cooler(seems to be...
March 10, 2009
2005 Ford F-250 Super Duty King Ranch 6.0L Stall, Misfire, NO POWER VIN: 1FTSW21P65
P0404: EGR Actuator Control Circuit Range/Performance. ... would barely run, stalling and no power. would not rev. like starving for fuel. customer stated he bought cheap diesel for $1.88 just before problem began. he stopped at the mister car wash and had both fuel filters and oil changed, didn't help. checked co...
March 21, 2009
1999 Chevrolet C1500 Suburban 5.7L MIL Lamp on VIN: 3GNEC16R3X
P0404: EGR Open Position Performance. Vehicle was previously serviced for EGR codes with a replacement EGR valve from NAPA. Came back with MIL, p404 Digital EGR system open performance. Replaced gasket with screen gasket. Came back, while checking valve for malfunction, ear broke and valve was rep...
March 24, 2009
1999 Chevrolet C1500 Suburban 5.7L MIL Lamp on VIN: 3GNEC16R3X
P0404: EGR Open Position Performance. Vehicle was previously serviced for EGR codes with a replacement EGR valve from NAPA. Came back with MIL, p404 Digital EGR system open performance. Replaced gasket with screen gasket. Came back, while checking valve for malfunction, ear broke and valve was rep...
March 27, 2009
2005 Ford E-350 Super Duty 6.0L MIL Lamp on VIN: 1FTSE34P75
P0404: EGR Actuator Control Circuit Range/Performance. ... p401,p0404 in memory. removed egr,cleaned egr ports.installed new egr trucks runs good. still wont pass engine running test p0404 & p1408.removed exhaust from egr cooler,removed egr.blew air through cooler(seems to be...
March 10, 2009
2005 Ford F-250 Super Duty King Ranch 6.0L Stall, Misfire, NO POWER VIN: 1FTSW21P65
P0404: EGR Actuator Control Circuit Range/Performance. ... would barely run, stalling and no power. would not rev. like starving for fuel. customer stated he bought cheap diesel for $1.88 just before problem began. he stopped at the mister car wash and had both fuel filters and oil changed, didn't help. checked co...
March 21, 2009
1999 Chevrolet C1500 Suburban 5.7L MIL Lamp on VIN: 3GNEC16R3X
P0404: EGR Open Position Performance. Vehicle was previously serviced for EGR codes with a replacement EGR valve from NAPA. Came back with MIL, p404 Digital EGR system open performance. Replaced gasket with screen gasket. Came back, while checking valve for malfunction, ear broke and valve was rep...
March 24, 2009
1999 Chevrolet C1500 Suburban 5.7L MIL Lamp on VIN: 3GNEC16R3X
P0404: EGR Open Position Performance. Vehicle was previously serviced for EGR codes with a replacement EGR valve from NAPA. Came back with MIL, p404 Digital EGR system open performance. Replaced gasket with screen gasket. Came back, while checking valve for malfunction, ear broke and valve was rep...
March 27, 2009