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2004 Ford F-250 EGR valve--still won't start

Tiny
GLENNKENYON
  • MEMBER
  • 2004 FORD F-250
  • V8
  • 4WD
  • AUTOMATIC
  • 14,200 MILES
I took out the EGR valve and cleaned it. It ran just fine yesterday. This morning I tried to start the truck and it will not start. It fires but will not stay running. It is still belching black smoke. Where do I look now for the problem?
Friday, March 20th, 2009 AT 9:52 AM

1 Reply

Tiny
BILLYMAC
  • MECHANIC
  • 2,204 POSTS
Possibly a cat convertor prob. Loosen the exhaust. Create a exhaust lrak if vehicle runs ok restriction in exhaust. This can be tested bye drilling a hole in converter and testing with a back pressure guage. But loossening the exhaust will do the same thing. Billymac
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Friday, March 27th, 2009 AT 7:48 PM

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