Ford Forum - Enthusiast Forums for Ford Owners

Ford Forum - Enthusiast Forums for Ford Owners (https://www.fordforum.com/forum/)

- General Tech (https://www.fordforum.com/forum/general-tech-11/)

- - code p0401 (https://www.fordforum.com/forum/general-tech-11/code-p0401-18751/)

fordalways

11-17-2009 01:06 PM

code p0401

Installed new EGR valve and code went away. Next day code came rite back.
How do I resolve this issue. thnxs

way2old

11-18-2009 06:17 AM

P0401 is insufficent flow. Usually it is the DPFE sensor, or the passages under the EGR valve are plugged with carbon.

glikark09

12-09-2009 12:58 AM

code p0401

my 91 integra flashing code 5 everything says MAP sensor, if anyone knows about this help me out what are somethings that happen and what caused it?thanks

All times are GMT -5. The time now is 01:51 AM.