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Last month, we covered the reasons why exhaust gas recirculation (EGR) systems were created, which is primarily to control and reduce nitrogen oxide ... GM makes one of these units that has the integral pintle sensor and an integral solenoid with air filter. The only separately serviceable part is the air filter. Ford,
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www.asashop.org/autoinc/dec97/egr.htm
www.asashop.org/autoinc/dec97/egr.htm
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Exhaust gas recirculation (EGR) systems were introduced in the early '70s to reduce an exhaust emission that was not being cleaned by the other smog controls. Oxides of nitrogen (NOx) are formed when temperatures in the combustion chamber get too hot. ... How to Diagnose the Ford Glow Plug;
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www.asashop.org/autoinc/nov97/gas.htm
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EGR systems are a lot more sophisticated than they used to be. With the EEC-V, they are not only monitored, but tested routinely ... If you are comfortable performing some basic checks prior to resorting to the Ford Dealer then try pulling a vacuum on the EGR valve to make sure the pintle moves freely in both directions.
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www.fordscorpio.co.uk/egr.htm
www.fordscorpio.co.uk/egr.htm
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FORD EGR VALVES; ISSUE 35; In this issue we will look at the Delta/Dif-ferential; Pressure Feedback (DPFE) Ford EGR sys-tem. This system is similar to the PFE system we studied, but it uses a DPFE sensor (Fig. 1) to moni-tor the system.
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www.tomco-inc.com/Tech_Tips/ttt35.pdf
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FORD EGR VALVES; ISSUE 32 rests on the pintle plate, or on the small metal button cap on some models (Fig. 1). As the; EGR pintle moves upward, so does the pintle shaft of the EVP. This change in the EVP position, changes the voltage signal to the ... Lets look at some of the waveforms associated with these EGR systems.
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www.tomco-inc.com/Tech_Tips/ttt32.pdf
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All systems are quite similar in design but some car manufacturers may use different names for some of their components. For simplicity's sake we'll base our diagnosis on a typical Ford EGR system. Let’s get started!
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www.engine-light-help.com/egr-valve.html
www.engine-light-help.com/egr-valve.html
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Your Auto Repair Questions Answered by your About.com Guide to Auto Repair: Ford F-150 DPFE-EGR System ... The DPFE came back with a P1401 and we don't know what to do? We also, after changing the EGRSV, could not get vacuum to the EGR valve? What is the problem as Ford has been no help.
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autorepair.about.com/cs/generalinfo/l/bl470g.htm
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The Ford DPFE/EGR System ... The Ford DPFE/EGR system is controlled by the Powertrain Control Module (PCM). The system employs an EGR Valve, an Electronic Vacuum Regulator (EVR), and a Delta Pressure Feedback EGR sensor (DPFE). ... Note that Ford EGR systems DO NOT engage when:
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rockledge.home.comcast.net/RangerPictureGallery/FordEGR...
rockledge.home.comcast.net/RangerPictureGallery/FordEGRSystem.htm
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Indexed EGR Systems questions ... Click here to browse the new [EGR Systems questions] or [All unanswered EGR Systems questions] ... ; How do you replace egr valve in ford 2001 expedition 5.4L?
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wiki.answers.com/Q/FAQ/549-3
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