P0401 Diagnostic Trouble Code Discussion for May 2009
Insufficient EGR Flow Detected
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| Help Request | Posted | |
| 1998 Ford Taurus SE 3.0L MIL Lamp on, high idle VIN: 1FAFP52U9W P0401: insufficient exhaust gas recirculation flow detected. vehicle increases in rpm almost to rev max after driving. once in park the idle increases dramatically and remains till you shut down the motor. customer states its constant but of course now its in my hands so its intermittent! any ideas? |
May 06, 2009 | |
| 2003 Ford F-250 Super Duty XL 6.0L low power VIN: SORRYNOVI3 P0401: Insufficient EGR Flow Detected. ... came in with no power and codes p006a and p0401, first thing i did was check e.g.r runners and they were full of carbon a did a BG carbon cleaning service and chenge the e.g.r, map was stuck at 1.68v with no change so i ... |
May 11, 2009 | |
| 2001 Ford Taurus SE 2-Valve 3.0L MIL Lamp on VIN: 1FAFP55U21 P0401: insu egr flow. I installed clamp around elbow to get more vacume to egr, and on start of testing can hear engine like idle hunting, and scan shows idle up and down. Long term trim in -4 and -5 bank 1 and 2, and stays around there. On test drive good power and I cleared code ... |
May 14, 2009 |
