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Car will not go over 30mph and the dpfe is melted

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Vehicle?

Other problems beside egr ones?

Converter is how old?

Posted on Nov 28, 2012

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Posted on Jan 02, 2017

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1 Answer

Car not get over 20 mph


Check your Air idle Control valve, speed sensor, throttle body , and your accelerator cable. You should find the problem there.

May 17, 2013 | Ford Thunderbird Cars & Trucks

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1405/405 error code for ford ranger 1996


P1405 is an EGR code this can be caused by a bad EGR valve and vaccum selonoid and or a bad DPFE sensor and blocked or melted hoses going to the DPFE.I usally remove the EGR Valve and using a hand held vaccum pump ck the Valve to see if it opens correctly if it is then ck the DPFE hoses if they are ok . Now if the EGR valve is bad You need to replace the DPFE and the Selonoid and the valve because the Valve not working burns them up internally. If the Valve is good first replace the selonoid ... its the cheapiest .... if that doesn't fix it replace the DPFE and the hoses going to it . If you know some one with a good Scan tool it may have a EGR self test prcedure built in like mine does and makes this easier but if not i have told you how with out a scanner

Aug 05, 2012 | Ford Cars & Trucks

1 Answer

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..)


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Dec 29, 2011 | 2002 Ford Expedition

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I have a 94 mazda navajo.The DPFE sensor melted like it was on fire. only the vacumn part is gone.( I only know what its called for this sight) What would cause this, and am i looking at more than just...


In normal operation there is no gasses traveling through the tubes. This device measures deferential of pressure. If there is a leak in the intake hose (left one) this would aloud the hot gasses from the Exhaust side to flow through the hose to the DPFE sensor melting it.
A clogged line would not melt the sensor but would make it inoperable.

Sep 16, 2011 | 1993 Ford Explorer Limited

1 Answer

My 2002 Escape started shifting badly and I smelled something melting, I looked under the hood and the EGR sensor was laying on a hot manafold, melted, and the hoses are gone and I don't know what goes...


Hi, welcome to FixYa.com my name is Shawn and I will be answering your question.

The hoses connect to the EGR pipe there are two different size connections one is smaller than the other and the hoses are two different sizes. The DPFE sensor also has a small and larger port connect all the small ends with the small hose it goes EGR tube, small hose, DPFE then do the same with the large port.

I hope my assistance helped you and resolved your concern, if you need further assistance please ask.

Aug 08, 2011 | 2002 Ford Escape

1 Answer

My code is p1401 we have checked the egr valve and it is not clogged and its still running very rough


By searching for DPFE, you should find threads with links to pictures/diagrams of the DPFE and EGR and their location. When you find them, check and make sure the hoses have not come loose/melted/developed cracks. If they look fine, 95% of the time the DPFE is the culprit and replacing will remedy the problem.

Jul 29, 2011 | Ford EXP Cars & Trucks

2 Answers

PO402 trouble code....how 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

PCE


Do you mean "DPFE"? DPFE stands for Delta Pressure Feedback EGR sensor. It is the sensor that tells your onboard computer whether the EGR Valve is opening up when it is told (by the computer) to do so. It has 2 hoses made of high temperature silicone that connect to two small metal tubes that protrude from the larger metal tube that connects the EGR Valve to the exhaust maifold. Sometimes the high temperature exhaust gasses will burn the DPFE sensor nipples if the vehicle is equipped with the black plastic DPFE sensor. This is sometimes caused by a restriction in the exhaust system such as a bent pipe or a clogged catalytic converter. In such cases, replacement of the DPFE sensor alone will result in a repeat repair.
If your vehicle has a build date prior to May 2002. there is a Technical Service Bulletin (TSB) pertaining to your DPFE sensor - I would recommend having it checked out by a professional.

Oct 10, 2009 | 2002 Ford Taurus

1 Answer

I have a 2001 mustang with a 3.8l I have a trouble code P0104


It is the DPFE sensor with out this your rpms will continue surge. Alot of people make the mistake of just replacing the EGR valve instead of the DPFE sensor which measures exhaust prssure going through the EGR vavle.

May 07, 2009 | 2001 Ford Mustang

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