Question:

Ford check engine light?

2001 Ford F150 with 6cyl motor. code P0401 exhaust gas recirculation flow insufficient detected- I am not a auto mechanic.Does anybody know what is wrong? Is it the EGR valve?Can I fix it myself with simple hand tools? Thank you for any help.

Answer:

replace the DPFE sensor.this things fail constantly and produce that code.i can almost guarantee this will take care of your problem

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