Stalling

Tiny
JOHNNY MILLER
  • MEMBER
  • 2005 FORD EXPEDITION
  • V8
  • 4WD
  • AUTOMATIC
  • 130,000 MILES
I have a 2005 Expedition that keeps stalling. I have already replaced the cam shaft sensors and the throttle sensor but yet it keeps stalling out mostly at low speeds. I thought it might be an idle air sensor but could not find one, I dont think this car has one. What eles could it be?
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Thursday, February 24th, 2011 AT 1:56 AM

7 Replies

Tiny
PROTECH1980
  • EXPERT
Any known diagnostic trouble codes? Remove the inlet air tube from the Electronic Throttle Body (ETB). Using a suitable cleaner and brush, (an old tooth brushworks ok) clean the throttle bore and plate as needed, disconnect the battery negative cable while cleaning the throttle body so that the PCM's adaptive memory will clear. Then recheck the condition
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Thursday, February 24th, 2011 AT 2:48 AM
Tiny
JOHNNY MILLER
  • MEMBER
The only codes I got where for the cam shaft and the throttle. Could it be the mass air flow sensor or bad oxygen sensors causing the stalling? It only seems to happen when going slow such as from a parking space after going in reverse or in a turn
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Thursday, February 24th, 2011 AT 3:05 AM
Tiny
PROTECH1980
  • EXPERT
Only happens with foot off throttle correct? Try previous suggestion and let me know.
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Thursday, February 24th, 2011 AT 3:12 AM
Tiny
JOHNNY MILLER
  • MEMBER
No the stalling acures when the foot is on the accelarator but when slowing and turning sometimes sharply around a turn
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Thursday, February 24th, 2011 AT 3:17 AM
Tiny
PROTECH1980
  • EXPERT
Have you checked the throttle bore for dirty buildup?
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Thursday, February 24th, 2011 AT 3:24 AM
Tiny
JOHNNY MILLER
  • MEMBER
I have not. But that will only clean about 6in can I try it and get back with you tomorrow. What did you think about it being the o2 sensor pr the air flow sensor
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Thursday, February 24th, 2011 AT 3:32 AM
Tiny
PROTECH1980
  • EXPERT
Actually take whole filter housing off to expose throttle body and clean bore and plate. Should be no prob with brush, let me know, make sure to disconnect bat to reset adaptives.
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Thursday, February 24th, 2011 AT 3:44 AM

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