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1997 - 2003 F150 1997-2003 F150, 1997-1999 F250LD, 7700 & 2004 F150 Heritage SPONSORED BY:

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Old 09-14-2005, 11:05 PM
gunar gunar is offline
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97 f-150 v6 with hot engine idle problem

i have a 97 f-150 v6 w 115000 miles. sometimes after driving for awhile when i stop the engine idles rough & wants to die unless i gas it a couple of times.it clears and runs smooth like usual.it has new plugs & is in great tune besides this problem. anybody know what the problem could be. i dont get a check engine light.
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Old 09-15-2005, 10:25 AM
lancekilgore lancekilgore is offline
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sounds like your IAC sensor you can run a scanner and there may be a code stored it just has not hit as a hard code yet and turned the light on. also check all the ports to make sure they are not clogged.

Lance
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Old 09-16-2005, 12:23 AM
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BrianA BrianA is offline
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Possible MAf sensor.
possible IAC.
Possible vacuum leak (PCV hose maybe?).
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Old 09-16-2005, 12:23 AM
 
 
 
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