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Where is the differential Pressure Feedback exhaust sensor located in a ford econoline e-150 v-6 van?
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∙ 13y ago
(edit: changed 1997 to 1996) joker_102877
Wiki User
∙ 13y ago
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What is DPFE sensor?
Dpfe sensor is the delta (differential) pressure feedback egr (exhaust gas recirculation) it monitors the pressure on the egr valve to make sure it is working.
What does the differential pressure feedback exhaust sensor do?
This sensor varifies flow of the exhaust gases to the intake manifold. If flow is interupted the sensor will inform the onboard computer that the exhaust recirculation system has failed resulting in a check engine light to come on.
No differential pressure?
In a filter dust collector,if the differential pressure is 0 may be the air exhaust fan is not functioning or the suction pipe is clogged.
Why does exhaust gas recirculation pressure feedback sensor blow the hose off?
You have restriction in the exhaust somewhere and it's causing it to backflow.
How do you repair p0401?
The exhaust gas recirculation (EGR) system has insufficient flow. It could be caused by the differential pressure feedback EGR sensor being faulty, there t is a blockage in the EGR tube (most likely from carbon buildup), the EGR valve is bad, or the EGR valve may not be opening.
Do all cars have a DPFE sensor?
fords use this. maybe others but only ford calls it a dpfe. [differential pressure feedback e.g.r] they were notorious failures in the 90's . what the do is bypass a little exhaust through an oriface tube on either side of the catalytic converter. the dpfe measures the pressure difference to determine if the cat is plugged [ or not doing its job] if it measures values out of range it will set a trouble code.
99 Ford Explorer DPFE Sensor what does it do?
According to my Haynes repair manual, the Differential Pressure Feedback EGR sensor (DPFE) monitors upstream (before) and downstream (after) exhaust backpressure. By calculating the difference between the two pressures, the powertrain control module (PCM) determines exactly the EGR flow rate at all driving conditions.
Where is the catalytic converter located on a Ford econoline van?
It is located in the exhaust system right behind the engine.
Will a Catalytic converter in a 1993 Pontiac Bonneville cause my car to lose pressure and drag?
Yes, especially at high RPM or wide throttle position. As the honeycomb breaks apart, it creates a restriction, increasing the exhaust system pressure upstream of the cat. High exhaust pressure causes exhaust gasses to remain in each cylinder after the exhaust stroke. During the intake stroke, the exhaust gases reduce the pressure differential between the intake and cylinder causing the engine to draw in less air. The amount of air drawn in is the primary factor in calculating engine power output.
What does the pressure feedback exhaust sensor do?
According to my Haynes repair manual - the DPFE sensor monitors upstream ( before ) and downstream ( after ) exhaust backpressure . By calculating the difference between the two pressures , the PCM determines exactly the EGR flow rate at all driving conditions
P1405 error code on your 2000 f150 ford truck?
Ford DTC P1405 refers to the Differential Pressure Hose being plugged or disconnected. This is part of the EGR valve system of the emissions system. On the drivers side of the engine there is a metal tube that rises from the exhaust manifold. This tube has two smaller tubes coming off of it, one larger than the other. From the tubes are hoses that connect to the Differential Pressure Sensor/Switch. These hoses can become dry and crack over time and may need to be replaced. If you find one of these hoses has come off it may be due to excessive pressure from the exhaust. This is generally because of blocked catalytic converters. The typical lifespan of a "cat" is 7 - 12 years. Also, you should check the Differential Pressure Sensor for integrity. If the pressure is too high at the sensor the internal diaphragm may rupture and the hot exhaust gases melt the electronics and plastic housing.
What is catalytic feedback?
Catalytic feedback includes reviews of catalytic converters. A catalytic converter is fitted to your car's exhaust to reduce the harmful pollution coming from it.
