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P0401 Diagnostic Trouble Code Discussion for November 2006

Insufficient EGR Flow Detected


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Trouble Ticket Help Requests for DTC P0401
Help Request Posted
2000 Mercury Sable GS 3.0L Surge, MIL Lamp on VIN: 1MEFM58U3Y
P0401: egr insufficient flow detected. car came in with ses light on and some other unrelated complaints found large list of codes indicating fuel system wasn,t working well running system lean fuel pressure test came back with koeo 28 psi and koer about 8 psi so not even close to pressure spec. we...
November 08, 2006
2000 Mercury Sable GS 3.0L Surge, MIL Lamp on VIN: 1MEFM58U3Y
P0401: egr insufficient flow detected. car came in with ses light on and some other unrelated complaints found large list of codes indicating fuel system wasn,t working well running system lean fuel pressure test came back with koeo 28 psi and koer about 8 psi so not even close to pressure spec. we...
November 09, 2006
2001 Mitsubishi Eclipse Spyder GT 3.0L MIL Lamp on VIN: 4A3AE85H51
P0401: Insufficient EGR Flow Detected. we have seen this car several times for this concern-we have replaced the egr valve and serviced the egr system with bg service tool-last time we removed all the plumbing and inspected for any restrictions or related problems and found nothing wrong-any advise...
November 10, 2006
2003 Ford F-350 Super Duty XLT 6.0L No Start, MIL Lamp on VIN: 1FTSW31P43
P0401: Insufficient EGR Flow Detected. OK Diesel Guys, I don't know much about diesels, This vehicle belongs to a friend. Even in the summer this vehicle is difficult to start when cold.(it starts better when plugged in even in July). When it finally does start there is a lot of white smoke, and n...
November 22, 2006
1998 Toyota RAV4 2.0L MIL Lamp on VIN: JT3HP10V4W
P0401: EGR System Insufficient Flow Detected. Help to toyota techs. I am trying and i repeat trying to change the vsv for the egr valve. I have been playing with this for some time now and am getting nowhere. This is 4x4 so i don't know if that makes a differnece but i cant even see the damm thing. Any he...
November 27, 2006
1999 Toyota RAV4 2.0L MIL Lamp on VIN: JT3HP10V0W
P0401: EGR System Insufficient Flow Detected. came in with p0401 code - tested system and found e.g.r. transducer to be no good, replaced it and cleared codes, retested vehicle found that the e.g.r. now lifts when engine is reved up, and when engine is idling if you manual lift the e.g.r. the engine. dies...
November 28, 2006
2001 Mitsubishi Eclipse Spyder GT 3.0L MIL Lamp on VIN: 4A3AE85H51
P0401: Insufficient EGR Flow Detected. we have seen this car several times for this concern-we have replaced the egr valve and serviced the egr system with bg service tool-last time we removed all the plumbing and inspected for any restrictions or related problems and found nothing wrong-any advise...
November 29, 2006
1996 Toyota Corolla 1.6L MIL Lamp on VIN: 2T1BAC2E1T
P0401: EGR Flow. PO401, Ports pluged, removed Throttle body and unclogged and cleaned. Solenoid not switching when asked, replaced. Modulator leaked down, replaced with used, used leaked down after two weeks. Replaced with new from toy. EGR will stall engine at idle with hand ...
November 30, 2006
2000 Mercury Sable GS 3.0L Surge, MIL Lamp on VIN: 1MEFM58U3Y
P0401: egr insufficient flow detected. car came in with ses light on and some other unrelated complaints found large list of codes indicating fuel system wasn,t working well running system lean fuel pressure test came back with koeo 28 psi and koer about 8 psi so not even close to pressure spec. we...
November 08, 2006
2000 Mercury Sable GS 3.0L Surge, MIL Lamp on VIN: 1MEFM58U3Y
P0401: egr insufficient flow detected. car came in with ses light on and some other unrelated complaints found large list of codes indicating fuel system wasn,t working well running system lean fuel pressure test came back with koeo 28 psi and koer about 8 psi so not even close to pressure spec. we...
November 09, 2006
2001 Mitsubishi Eclipse Spyder GT 3.0L MIL Lamp on VIN: 4A3AE85H51
P0401: Insufficient EGR Flow Detected. we have seen this car several times for this concern-we have replaced the egr valve and serviced the egr system with bg service tool-last time we removed all the plumbing and inspected for any restrictions or related problems and found nothing wrong-any advise...
November 10, 2006
2003 Ford F-350 Super Duty XLT 6.0L No Start, MIL Lamp on VIN: 1FTSW31P43
P0401: Insufficient EGR Flow Detected. OK Diesel Guys, I don't know much about diesels, This vehicle belongs to a friend. Even in the summer this vehicle is difficult to start when cold.(it starts better when plugged in even in July). When it finally does start there is a lot of white smoke, and n...
November 22, 2006
1998 Toyota RAV4 2.0L MIL Lamp on VIN: JT3HP10V4W
P0401: EGR System Insufficient Flow Detected. Help to toyota techs. I am trying and i repeat trying to change the vsv for the egr valve. I have been playing with this for some time now and am getting nowhere. This is 4x4 so i don't know if that makes a differnece but i cant even see the damm thing. Any he...
November 27, 2006
1999 Toyota RAV4 2.0L MIL Lamp on VIN: JT3HP10V0W
P0401: EGR System Insufficient Flow Detected. came in with p0401 code - tested system and found e.g.r. transducer to be no good, replaced it and cleared codes, retested vehicle found that the e.g.r. now lifts when engine is reved up, and when engine is idling if you manual lift the e.g.r. the engine. dies...
November 28, 2006
2001 Mitsubishi Eclipse Spyder GT 3.0L MIL Lamp on VIN: 4A3AE85H51
P0401: Insufficient EGR Flow Detected. we have seen this car several times for this concern-we have replaced the egr valve and serviced the egr system with bg service tool-last time we removed all the plumbing and inspected for any restrictions or related problems and found nothing wrong-any advise...
November 29, 2006
1996 Toyota Corolla 1.6L MIL Lamp on VIN: 2T1BAC2E1T
P0401: EGR Flow. PO401, Ports pluged, removed Throttle body and unclogged and cleaned. Solenoid not switching when asked, replaced. Modulator leaked down, replaced with used, used leaked down after two weeks. Replaced with new from toy. EGR will stall engine at idle with hand ...
November 30, 2006