2002 Ford Taurus emissions light

Tiny
ECADDY23
  • MEMBER
  • 2002 FORD TAURUS
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 75,000 MILES
My emissions light came on, I had it scanned. I replaced the egr valve and gasket. I had the light reset and a few days later it came back on. What else would cause the light to come on and what should I look at next.
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Wednesday, December 19th, 2007 AT 10:32 PM

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Tiny
FLEXY5
  • MEMBER
Let me guess... Your code was a P0401--EGR insufficient flow? If I'm correct, It's a shame you replaced the EGR for nothing. The problem is caused by sensor that monitors EGR flow. It gets plugged up and then can't read. It has to be replaced, it cannot be cleaned. I hope I'm on the right track guessing what your code was. Otherwise it would be good to post the actual code so it can be diagnosed correctly. Hope this helps.
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Wednesday, December 19th, 2007 AT 10:45 PM
Tiny
JACK42
  • EXPERT
Its called the DPFE sensor
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Thursday, December 27th, 2007 AT 7:59 AM

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