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P0401 Diagnostic Trouble Code Discussion for March 2010

Insufficient EGR Flow Detected


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Trouble Ticket Help Requests for DTC P0401
Help Request Posted
1996 Toyota Land Cruiser 4.5L MIL Lamp on VIN: JT3HJ85J2T
P0401: EGR System Insufficient Flow Detected. ... and suggestions. This vehicle arrived with MIL on with code P0401. First I cleaned the EGR passages, cleared the code, took vehicle for a drive cycle, and the light returned. I checked every component related to the EGR such as VSV, EGR Vacuum Modulator, a...
March 03, 2010
2002 Hyundai Santa Fe 2.4L MIL Lamp on VIN: KM8SB12B02
P0401: EGR System - Insufficient Flow Detected. ... some input on-came in about a year ago with code P0401-replaced EGR solenoid and all was well-about 2 months ago he was out of town and lost power-other shop replaced front cat-came here shortly after with SEL light on-road tested and was lacking full thro...
March 04, 2010
2001 Saturn SL2 1.9L Surge, Cuts out, Stall, Misfire VIN: 1G82K52771
P0401: Insufficient EGR Flow Detected. Hi everybody I have a saturn that is giving me trouble.It came in complaining of bucking and stalling and wanted a tune up.I felt it drop a cylinder and the check engine light was on.The 300 code was a plug wire letting spark go to ground 65k ohms put plugs an...
March 17, 2010
2001 Saturn SL2 1.9L Surge, Cuts out, Stall, Misfire VIN: 1G82K52771
P0401: Insufficient EGR Flow Detected. Hi everybody I have a saturn that is giving me trouble.It came in complaining of bucking and stalling and wanted a tune up.I felt it drop a cylinder and the check engine light was on.The 300 code was a plug wire letting spark go to ground 65k ohms put plugs an...
March 19, 2010
1995 Ford Ranger XL 3.0L Surge VIN: 1FTCR1OU6S
P0401: egr insuficient flow. I PUT THE CAM SENSOR NEW IT WAS BROKEN AND THE THERMOSTAT IT WAS ALWAYS COLD BELOW C LINE COLD. THE SCOPE ON CAM AND CRANK SENSOR TELL ME THAT THE CAM IS OUT BY 130 DEGREES IT DOESTN'T LINE UP WITH THE 26% DEGREES ATDC LIKE IT SHOULD. THE EGR PASSAGE IS CLEAN ...
March 30, 2010
1998 Ford Windstar 3.8L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: 2FMZA5146W
P0401: insufficient egr flow. Hi I have this van here that I can't seem to get figured out. It has a miss mostly when it gets driven for awhile and then I get a lean bank 1 code. I replaced the spark plug and wire on #2 and it still will miss. Not all the time but mostly when comming to a ...
March 30, 2010
1996 Toyota Land Cruiser 4.5L MIL Lamp on VIN: JT3HJ85J2T
P0401: EGR System Insufficient Flow Detected. ... and suggestions. This vehicle arrived with MIL on with code P0401. First I cleaned the EGR passages, cleared the code, took vehicle for a drive cycle, and the light returned. I checked every component related to the EGR such as VSV, EGR Vacuum Modulator, a...
March 03, 2010
2002 Hyundai Santa Fe 2.4L MIL Lamp on VIN: KM8SB12B02
P0401: EGR System - Insufficient Flow Detected. ... some input on-came in about a year ago with code P0401-replaced EGR solenoid and all was well-about 2 months ago he was out of town and lost power-other shop replaced front cat-came here shortly after with SEL light on-road tested and was lacking full thro...
March 04, 2010
2001 Saturn SL2 1.9L Surge, Cuts out, Stall, Misfire VIN: 1G82K52771
P0401: Insufficient EGR Flow Detected. Hi everybody I have a saturn that is giving me trouble.It came in complaining of bucking and stalling and wanted a tune up.I felt it drop a cylinder and the check engine light was on.The 300 code was a plug wire letting spark go to ground 65k ohms put plugs an...
March 17, 2010
2001 Saturn SL2 1.9L Surge, Cuts out, Stall, Misfire VIN: 1G82K52771
P0401: Insufficient EGR Flow Detected. Hi everybody I have a saturn that is giving me trouble.It came in complaining of bucking and stalling and wanted a tune up.I felt it drop a cylinder and the check engine light was on.The 300 code was a plug wire letting spark go to ground 65k ohms put plugs an...
March 19, 2010
1995 Ford Ranger XL 3.0L Surge VIN: 1FTCR1OU6S
P0401: egr insuficient flow. I PUT THE CAM SENSOR NEW IT WAS BROKEN AND THE THERMOSTAT IT WAS ALWAYS COLD BELOW C LINE COLD. THE SCOPE ON CAM AND CRANK SENSOR TELL ME THAT THE CAM IS OUT BY 130 DEGREES IT DOESTN'T LINE UP WITH THE 26% DEGREES ATDC LIKE IT SHOULD. THE EGR PASSAGE IS CLEAN ...
March 30, 2010
1998 Ford Windstar 3.8L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: 2FMZA5146W
P0401: insufficient egr flow. Hi I have this van here that I can't seem to get figured out. It has a miss mostly when it gets driven for awhile and then I get a lean bank 1 code. I replaced the spark plug and wire on #2 and it still will miss. Not all the time but mostly when comming to a ...
March 30, 2010