Question about 2005 Ford Five Hundred
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Posted on Jan 02, 2017
That is the (Differential Pressure Feedback Exhaust) - e.g. EGR Valve. You shouldn't have any trouble finding it. There is usually a metal tube from the exhaust manifold going to it,as well as one or two vacuum hoses.
It has to also, direct exhaust gas into the intake,so there is your key.
Posted on May 02, 2010
SOURCE: where is the egr(dpfe) sensor
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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