2003 Ford Expedition engine stalls on deceleration

Tiny
FORD0706
  • MEMBER
  • 2003 FORD EXPEDITION
  • V8
  • 2WD
  • AUTOMATIC
  • 100,000 MILES
I have a 2003 Ford Expedition, with the 4.6 V8. It started to idles rough and stall after decelerating, it also threw a P2196 code. It has thrown this code before and it turned out that the PCV hose behind the throttle body had a hole in it. So that was the first place I looked this time, but there were no leaks or hole. I leak checked the rest of the vacuum hoses, but found no leaks. I begining to think it's the IAC. Any suggestion?
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Saturday, June 19th, 2010 AT 8:42 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • EXPERT
Have you checked manifold vacuum pressure?
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Tuesday, June 22nd, 2010 AT 7:31 PM

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