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Please note: one of the two hoses connected to the DPFE is a pressure sensor line that reads the variation in the exhaust pressure. This line is made of expensive, silicone to resist the high temperatures assosiated with exhaust. You'll notice it has much thicker walls than a vacuum line. This hose is often cracked, broken or burned through and repair or replacement can often cure the problem.

What does it look like...

  • Rectangular box about 3" tall x 5" wide x 1" thick (very rough estimate)
  • 2 vacuum hoses going upwards into the left side of the bottom
  • Wiring connection goes into right side of the "face"
Where to find it on the 24v Duratec engine First, let establish that the front of the engine has the serpentine belt - the opposite end is then the back.

The DPFE sensor then is mounted to a plate on the top right on the back of the engine.

It is below the Throttle body and above the transmission dipstick height.

I have the same engine, but if found my DPFE sensor mounted horizontally and supported by only the two vacum hoses it attaches too. you need to look carefully or you will miss it. Look about center of the engine between the intake manifold and the firewall, it is mounted with the vacum hoses pointing down and the power conector is towards the manifold ( it is below the level of the manifold so look from the passenger side of the car towards the firewall). Be PATIENT!!

Hope this helps you guys.

Where to find it on the 12v Vulcan engine

  • Mounted to the backside of the Intake Manifold - and basically faces the firewall - about 2/3s the way towards the front of the engine.
  • Readily accessible and easy to replace
  • Don't forget to label the hoses as you take them off
How to replace on a Duratec engine...
  • Looking at my 98, I'm going to suggest it might be just as easy to remove the throttle body or upper intake manifold (UIM) to get access to the DPFE sensor.

    Removing the UIM might be overkill, but having done it to change sparkplugs, I can say it's really not that big an effort. Disclaimer: I haven't changed a DPFE, so I'm somewhat speculating about access being difficult - just observing what it looks like ;))

  • Remove the 2 mounting nuts
  • LABEL the 2 vacuum hoses before disconnecting them from the DPFE
  • Remove wiring connector
  • Reverse to install
Is there a way to test a DPFE sensor? Yes, but too involved to try and repeat here.

It is behind the upper intake between the intake and the firewall. Hard to get to without removing the upper intake. Remove the eight 8MM bolts holding down the upper intake, loosen the hose clamp connecting the intake tube to the throttle body, and unbolt the EGR valve. Then move the upper intake out of the way while disconnecting the 3 vacuum lines under and to the rear of the intake near the throttle body. Answer The DPFE sensor is located below the throttle body and intake plenum, near the fire wall on the back side of the engine. It will have two places for vacuum hose connection. both pointing downward and a electrical connector on it's face pointing towards the drivers side of the car. Answer There is actually 2 different V6 3.0 liter engines. One is a 12 valve and one is a 24 valve. On the 12 valve the dpfe is behind the upper intake manifold, between the engine and firewall close to the middle of the car. On the 24 valve it is down below the throttle body area, almost completely hidden by hoses and wires and stuff. Look right below where the air snorkel attaches to the throttle body, toward the friewall slightly. It's down in that area on the 24 valve engine.


Remove the hoses. Unclip the electrical connector. Remove the bolts that hold it in place. Reverse to install the new one.

Answer - 1998 DOHC EGR valve should be front of intake just behind throttle body. 2 bolts and 2 nuts hold it on, it'll have a green, plastic vacuum line going to its top. DPFE Sensor will be firewall side of engine, will have a 3 wire connector to it and 2 reinforced vacuum lines at its bottom.

Answer Depending on which engine you have, the DPFE is usually mounted to the upper intake manifold. It's a rectangular box. On the 24 valve engine, it's tucked away under the passenger side of the manifold. You will have to remove the cowling near the cabin air filter to get access to it.

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Q: Where to find and how to replace a DPFE sensor on a Taurus - Sable?
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