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Hole in EGR valve

Tiny
LEODAJIM
  • MEMBER
  • 2004 FORD ESCAPE
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 95,000 MILES
Started with chugging in wet weather, diagnosed as cylinder 4 & 5 misfires, I replaced spark plugs.
Now, low power when pushing gas pedal, also a 'hissing' noise when pushing gas pedal as if air is escaping from somewhere. Then, my EGR valve blew a hole in the side of it, I am assuming because of some pressure issues.
What is causing the low power and hissing noise, and what would cause the EGR valve to literally 'pop' like that? One mechanic suggested a clogged converter, which makes sense. If so, would it be the rear or front converters?
Thank you.
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Wednesday, December 8th, 2010 AT 9:34 PM

3 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
The only way to tell if its coming from the converters is to have an exhaust backpressure tests
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Wednesday, December 8th, 2010 AT 9:36 PM
Tiny
LEODAJIM
  • MEMBER
  • 25 POSTS
Yes, I having that done. Obviously, if it is in the front, it is going to cost much more correct?
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Wednesday, December 8th, 2010 AT 9:38 PM
Tiny
ESCAPE OWNER
  • MEMBER
  • 11 POSTS
The misfiring will send unburned fuel into the Catalytic Converter thereby clogging it. The back pressure will blow a hole in the EGR. This is a common problem with Escapes. Don't drive it when misfiring and get the problem fixed. Cats have a warranty of 8yrs or 80,000 miles.
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Thursday, March 24th, 2011 AT 6:03 AM

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