Okay so about 3 monthe ago i got a code for p0401 for egr flow insufficient, cleaned egr valve and fixed it, then i got a code p1400( dpfe circuit low input) so i bought a new sensor, yet still have the code, this is my 2nd new sensor and still the same code, even after i cleared, any ideas?

 

C'mon Skylar... don't come spreading your seed around all over the place again. Stick to the same thread so we don't give you the same advice again. It's ignorant to us that are trying to help. Pretty sure we've asked you to offer us this courtesy in the past under your other username.

https://www.f150forum.com/f6/p1400-b...z-help-418947/