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P0401 Diagnostic Trouble Code Discussion for July 2011

Insufficient EGR Flow Detected


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Trouble Ticket Help Requests for DTC P0401
Help Request Posted
2004 Ford F-250 Super Duty XLT 6.0L Surge, no power VIN: 1FTNW20P84
P0401: Insufficient EGR Flow Detected. Here's what we got. Truck belongs to a fellow who does custom hauling. Truck has always ran good with plenty of power. Down in CA it started to have no power with or without a load. Shop replaced turbo-they installed a high performance turbo. Truck ran good fo...
July 18, 2011
2005 Dodge Durango SLT 4.7L MIL Lamp on VIN: 1D4HB48NX5
P0401: EGR System Performance. ... have been dealing with this 05 Durango 4.7L with a p0401 that keeps coming back. At this point basically everything has been replaced. I can reset light/pcm and get the monitor to run and go ready every time with no issues. I can also watch the voltage (of...
July 20, 2011
2005 Dodge Durango SLT 4.7L MIL Lamp on VIN: 1D4HB48NX5
P0401: EGR System Performance. ... have been dealing with this 05 Durango 4.7L with a p0401 that keeps coming back. At this point basically everything has been replaced. I can reset light/pcm and get the monitor to run and go ready every time with no issues. I can also watch the voltage (of...
July 21, 2011
2004 GMC Sierra 2500 HD 6.6L No Start VIN: 1GTHK23264
P0401: EGR Flow Insufficient Detected. 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
2004 Ford F-250 Super Duty XLT 6.0L Surge, no power VIN: 1FTNW20P84
P0401: Insufficient EGR Flow Detected. Here's what we got. Truck belongs to a fellow who does custom hauling. Truck has always ran good with plenty of power. Down in CA it started to have no power with or without a load. Shop replaced turbo-they installed a high performance turbo. Truck ran good fo...
July 18, 2011
2005 Dodge Durango SLT 4.7L MIL Lamp on VIN: 1D4HB48NX5
P0401: EGR System Performance. ... have been dealing with this 05 Durango 4.7L with a p0401 that keeps coming back. At this point basically everything has been replaced. I can reset light/pcm and get the monitor to run and go ready every time with no issues. I can also watch the voltage (of...
July 20, 2011
2005 Dodge Durango SLT 4.7L MIL Lamp on VIN: 1D4HB48NX5
P0401: EGR System Performance. ... have been dealing with this 05 Durango 4.7L with a p0401 that keeps coming back. At this point basically everything has been replaced. I can reset light/pcm and get the monitor to run and go ready every time with no issues. I can also watch the voltage (of...
July 21, 2011
2004 GMC Sierra 2500 HD 6.6L No Start VIN: 1GTHK23264
P0401: EGR Flow Insufficient Detected. 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