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#2
04-26-2005, 07:36 PM
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Re: po 401 engine code supercrew
Look closely at the DPFE sensor. Ford extended the warranty to 5 years 50,000 miles on some 2001 and 2002 vehicles on this part. It is a rectangular box that has 2 vacuum lines and a wiring connector on it. Good luck and let us know the results.
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Being way2old is why I need help from younger minds The sooner you fall behind the more time you'll have to catch up.  HEY Y'ALL--READ THIS Here are some of our old vehicles for sale. 
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#3
04-27-2005, 04:59 PM
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Re: po 401 engine code supercrew
This Sensor Is The One With A Cap Like A Pill Bottle Right Thats What The Book Shows. Anyway I Took It Off Got The Cap Off Blew It Out Cant Really Tell If Anything Is Wrong. I Just Dont Want To Start Buying Parts Not Knowing Which To Buy First. One Thing When Autozone Erased The Code The Light Didnt Come Back On Til The Next Day Two Days In A Row. Weird Or Not Help Me Guys
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#4
04-27-2005, 07:45 PM
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Re: po 401 engine code supercrew
What year do you have? The sensor you are describing is the EGR vent solenoid. It releases vacuum to allow the EGR to close. If it is newer than 96, the DPFE is a rectangular box that has 2 rubber lines going to it and a wiring connector that has 3 wires.
__________________
Being way2old is why I need help from younger minds The sooner you fall behind the more time you'll have to catch up. HEY Y'ALL--READ THIS Here are some of our old vehicles for sale.
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#6
04-27-2005, 09:20 PM
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Re: po 401 engine code supercrew
FOUND the dpfe sensor but cant tell anything cleaned out airline openings took off back saw electrical stuff covered in jelly looked perfect is there a test
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#7
04-28-2005, 07:40 AM
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Re: po 401 engine code supercrew
Install vacuum pump in the line on top of EGR. And a voltmeter in the signal return wire on the DPFE. With key on, engine off, there should be somewhere around .68v. As yiu slowly increase vacuum it should go up to around 4.5v
__________________
Being way2old is why I need help from younger minds The sooner you fall behind the more time you'll have to catch up. HEY Y'ALL--READ THIS Here are some of our old vehicles for sale.
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