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Where is the egr(dpfe) sensor located in ford explorer-xlt 2002

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4.0 SOHC?

If so it will be on the drivers side of the engine. Look for the metal tube that goes into the upper plenum just behind the throttle body. Follow that metal tube and you will see to hoses coming off from it. Follow the hoses up to the DPFE sensor.

It is common for the sensors to stick at a certain voltage. With them unplugged the Computer should default a value of around 5 volts. With it plugged in the voltage should be around 1 volt (key on engine off). Voltage should increase as EGR flow increases. You can supply vacuum to the EGR valve with the engine running. If the engine stalls the EGR is working and the DPFE is most likely bad. If it doesn't the EGR is not working and the DPFE is not your problem.

Also make sure you check the two hoses carefully. They do get old and crack/burn out. If they are leaking the sensor will not be able to sense EGR flow accurately.

97% of the time it is the DPFE sensor. The other 3% are bad hoses, EGR, wiring, etc.

Posted on Oct 04, 2010


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I have a tropubleshooting code of P1405. On a ford Expedition 5.4l. Where do i fine the DPFE sensor (DPFE sensor upstream hose off or plugged.. aaECM detected EGR flow in a negative direction with aan

DPFE sensor failures are VERY COMMON on Ford vehicles. However, clogged EGR ports are also very common on 5.4L Ford engines. The DPFE sensor is located on the left side of the engine. It connects to two silicone rubber hoses that connect to the steel EGR tube coming from the back of the engine to the EGR valve. (See picture of the sensor below)

Another common failure is a DPFE sensor that has melted due to excessive exhaust back-pressure. If you find the DPFE sensor melted, suspect a restricted exhaust. (smashed tailpipe, clogged catalytic converter, etc..)


Dec 29, 2011 | 2002 Ford Expedition

1 Answer

Enigine light is on, I have replaced the spark plugs, wires, Coil pac, and IAC valve and the light is still on. What can be the problem? Its a 2003 Ford Explorer XLT and the codes that I have are p0316,...

try replacing the DPFE, go to the ford dealer and take them your VIN and ask them for a DPFE, your egr valve is sticking open due to the failure of the DPFE and causing multiple misfires in your engine

Oct 04, 2011 | 2003 Ford Explorer

3 Answers

My 2002 Ford Explorer gave me code P1400. What does it mean

P1400 indicates the following:
Differential Pressure Feedback Electronic Sensor circuit Low Voltage

Most common cause is a bad DPFE sensor.

Jul 15, 2011 | 2002 Ford Explorer

2 Answers

I have a sensor on an 03 Ford Explorer...part # 4u7e-9j460-aa7d19aj397m7997. What sensor is this?

This is the DPFE(Delta Pressure Feedback) sensor. Some places may call it an EGR(Exhuast Gas Recirculation) sensor but that's not really what it is.

Mar 29, 2011 | 2003 Ford Explorer

2 Answers

PO402 trouble is this repaired

Exhaust gas recirculation flow excessive. First things to check is your vacuum hoses to egr position sensor (Dpfe sensor) Egr solenoid & egr valve. If they are off, melted or sucked in they need to be replaced. Usually a specific code will be set for that but not always. Of the three the dpfe sensor also known as egr position sensor is the most common & easiest to replace. Next in order is the egr solenoid. Lastly if it comes to changing egr valve make sure to clean all carbon build up in cavity that egr mounts to. They commonly plug up.

Sep 24, 2010 | 2002 Ford Explorer Sport

1 Answer

Code 402 and 403 having to do with egr and dpfe sensor. Were are they located?

Dpfe sensor is usually on driver side intake manifold or on a bracket attached to it. It has 2 vacuum ports & a electrical plug. Look for cracked or broken vauum hoses going to it. I would fix any broken vacuum hoses, if none change the dpfe sensor(aka:egr position sensor) only & it will usually cure both codes.

Jul 05, 2010 | 1996 Ford Explorer

1 Answer

Get a p1400 code check engine light

P1400 - DPFE (Differential Pressure Feedback Electronic) Sensor circuit Low Voltage

The DPFE sensor is usually not hard to change. There are 2 small rubber hoses that run from the EGR tube to it...


Replace DPFE sensor, reset engine fault codes. The Ford one is a good one and carries Airtex. Sometimes I hear that this change always need replace EGR valve to delet all codes. Test it.

Good luck.

Jul 07, 2010 | 2002 Ford Explorer Sport Trac

1 Answer

I did the OBD 2 fault code test on my 2002 ford exploer. Auxiliary emission control code P1400 is what came on. What do i need to do to fix it?

DPFE EGR Circuit Low Input". for a P1400 code . The sensor is located on the pass. side of the eng comp. back near the firewall. It sits on top of two small rubber hoses that attach to metal tubes. These tubes lead down to the EGR tube. . Good luck

Mar 29, 2010 | 2002 Ford Explorer

2 Answers

2002 ford focus p0401

Here is a list of possible causes for a PO401, hope this helps.

  • DPFE sensor signal circuit is shorted to ground
  • DPFE sensor VREF circuit is open between sensor and PCM
  • DPFE sensor downstream hose off or plugged
  • DPFE sensor hoses both off, loose or damaged
  • DPFE sensor hoses connected wrong (reversed)
  • EGR orifice tube is damaged or restricted
  • PCM has failed

Feb 10, 2009 | 2000 Ford Focus

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