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The DPFE is located on the left side of the upper intake manifold across from the battery. It has two rubber hoses on the bottom with a wire connector attached.
Click on the link below DPFE 4 is shown for the 2002 Ford Explorer - 4.0 L and 4.6 L
Where is the DPFE sensor located in a 1999 Ford Exployer? I had my oil changed yesterday and was told that the hose connected to this sensor is off.
P0401 means no flow at the dpfe sensor. Usually a bad sensor. or bad hoses from egr ports to dpfe.
where is the sencor in a 2000 ford explorer
I'm not a mechanic / technician but I had the DPFE sensor changed on my Ford Explorer . As far as I know it is used to control the amount the Exhaust Gas Recirculation ( EGR ) valve opens
On my 1995 Ford Explorer with the 4.0 liter OHV engine the DPFE sensor ( differential / or delta pressure feedback Egr sensor ) is located on the upper intake manifold on the drivers side of the engine
On the right rear of the engine by the throttle body.
po 401 is egr flow insufficient detected replace the dpfe. fords are notorious for throwing the 0401 on a bad dpfe (egr sensor) also check for blockage in all your vacum hoses and egr passages. good luck, mb
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The OBD 2 code, P0401 means "low flow". The most common cause of this code with any Ford vehicle is the DPFE sensor, NOT the E.G.R. Other causes could be blocked passages for the EGR, or leaking or restricted hoses that go to the DPFE. == ==
On the ( 4.0 liter EFI , V6 engine ) the DPFE is on the upper intake manifold on the drivers side of the engine