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P0401 Diagnostic Trouble Code Discussion for September 2006

Insufficient EGR Flow Detected

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Trouble Ticket Help Requests for DTC P0401
Help Request Posted
2001 Ford F-150 XL 4.2L MIL Lamp on VIN: 2FTZF17201
P0401: egr flow insufficient. need help.not really up on my fords.p0401 sets.vehicle runs fine.new dpfe sensor.is this really as simple as'replacing an egr valve?thanks to all
September 14, 2006
1999 Isuzu Rodeo LS 3.2L Poor Idle Quality, Cuts out, MIL Lamp on VIN: 4SZCK58W5X
P0401: Insufficient EGR System Flow Detected. can someone please help? i cannot find diagram showing which circuits are controlled by quad "A". vehicle has eratic idle and stall. tsb's show a powerlink diag but i dont have access to powerlink. i would much appreciate it if someone could tell me wh...
September 21, 2006