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P0401 Diagnostic Trouble Code Discussion for January 2013

Insufficient EGR Flow Detected

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Trouble Ticket Help Requests for DTC P0401
Help Request Posted
1997 Ford F-150 5.4L Surge VIN: 1FTEF18LXV
P0401: dpfe. owner just got pu truck so don't have any history, on start up it will rev up to 2000 or more then will idle down to 500 act like it will stop and rev up again,mil not on,stays in open loop,oxy sensors all at ooo changed h2o11 got some switching not like it sh...
January 15, 2013
2001 Chrysler PT Cruiser 2.4L Poor Idle Quality, Misfire VIN: 3C4FY4BB21
P0401: EGR System Malfunction. Hello, I have this PT here that the customer stated was starting rough and would clear up in a few minutes of starting. They took it to the dealer and they tuned it up, and sent it on it's way. The problem was still there. One day the car just would not start,...
January 22, 2013