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Old 08-06-2003, 08:18 PM
Shakina Glory Shakina Glory is offline
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What is a DPFE sensor, what does it do?

My '99 Ford Ranger is popping code. A handheld diagnostic machine shows the trouble code P1401. I looked it up and what I found is, that trouble code corresponds to a "DPFE sensor high voltage". Anyone have an idea what this could be, and where on the engine is the DPFE sensor?
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Old 08-27-2003, 08:39 AM
jeremylove jeremylove is offline
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What is a DPFE sensor, what does it do?

Differential Pressure Feedback EGR - it's basically like a MAP or a barometric pressure sensor for your EGR system - it's there to measure the flow of EGR, but it's very troublesome IMO.
The sensor should be either a black or metal box about the size of a large zippo lighter with two vacuum hoses attached to it near the firewall. The hoses should go to your EGR tube between your intake and your exhaust manifolds.

I found the cheapest one at Pep Boys for about $60, but fords wants $90 or so and it's a bit better 'cuz it's plastic and doesn't deteriorate like the metal ones do.
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Old 08-28-2003, 10:14 PM
Shakina Glory Shakina Glory is offline
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What is a DPFE sensor, what does it do?

Thanks for the help. the light stayed on for about a week and then it turned off and hasn't turned back on. I take this as a warning to keep a close watch on things but I won't change it unless the warning comes back. Is this okay?
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Old 08-28-2003, 10:14 PM
 
 
 
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