× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network

P0401 Diagnostic Trouble Code Discussion for March 2011

Insufficient EGR Flow Detected

Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0401
Help Request Posted
1997 Ford Taurus SHO 3.4L Misfire, MIL Lamp on VIN: 1FALP54NXV
P0401: EGR Flow Insuficient. Here I go again with a problem child Ford. Received vehicle and did a quick scan and found the codes listed above. I cleared them and did a KOEO and no codes were there. Did the KOER and P1408 showed up but not the misfire code. The car still runs really bad a...
March 08, 2011
1999 Ford Taurus LX 3.0L Hesitation, Misfire VIN: 1FAFP53U1X
... engine light ran fine. code p0401 insufficent flow for egr. pressure sensor read .12v so replaced it. went to 1.10v and let car go. car came back the next day running rough and cel back on. egr valve getting 10 inches of vaccu...
March 09, 2011
2004 Ford Freestar 3.9L Surge, Cuts out, Stall, trans not shifting VIN: 2FMDA51674
P0401: Insufficient EGR Flow Detected (ESM System). Customer was driving and vehical shut off. tried to restart and no start. tow truck drive started and pulled it on and off the truck but it some times would have no foward or reverse.then day two all is ok but went to turn the key on and plug the scanner in ha...
March 17, 2011