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2002 Ford Escape EGR flow excessive

Tiny
CARDS1805
  • MEMBER
  • 2002 FORD ESCAPE
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 117,000 MILES
My 2002 Ford Escape's check engine light just won't go away. The code is P0402 EGR Flow Excessive. When I went to Auto Zone they gave me a list of things to change so I did. Changed all the vaccuum lines I could see, replaced the EGR valve, replaced the EGR sensor, replaced the EGR vaccuum solenoid, and now here I am with my light still on. I noticed a slight high pitched humming noise when the vehicle is on and when I accelerate it hums louder with the engine. Please help me if you could.
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Thursday, April 8th, 2010 AT 11:13 AM

2 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
Are you sure the valve is closing? If you remove the vacuum to it, does the code change?
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Tuesday, May 4th, 2010 AT 11:20 AM
Tiny
CARDS1805
  • MEMBER
  • 2 POSTS
It has to it is a brand new EGR valve.
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Tuesday, May 4th, 2010 AT 5:25 PM

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