PCV and P1405 code?
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Joined: Apr 2003
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PCV and P1405 code?
I have a 2001 F150 SCrew with a 5.4 with 107k on the miles. I recently replaced the PCV valve because my old one was "buzzing". Now the Service Engine Soon light has come on and my Diablo is showing me a P1405 code which I have learned is a DPFE problem. My question is could a simple PCV change trigger this or should I be looking elsewhere like the EGR and its plumbing? The new PCV is a NAPA instead of Motocraft and I wonder if it is working correctly for this application. Thanks for any replys in advance, I love FTE!
Hotshot
Joined: Jan 2004
Posts: 19,760
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From: St Louis
Check to see if either of the small hoses for the DPFE sensor are loose, damaged, or kinked/obstructed.
It is possible they were disturbed when the PCV valve work was done.
I don't think that the fact the replacement is from NAPA vs Motorcraft is the reason for this.
Steve
It is possible they were disturbed when the PCV valve work was done.
I don't think that the fact the replacement is from NAPA vs Motorcraft is the reason for this.
Steve
Posting Guru
Joined: Oct 2005
Posts: 2,209
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From: Louisville, Kentucky
P1405 DTC = Differential Pressure Feedback Electronic (DPFE) Sensor circuit Upstream Hose. This could be caused by kinked vacuum lines or a stuck open Vapor Management Valve (VMV).
Hope this helps.
Hope this helps.
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