Trying to Stall
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Senior User
Joined: Jan 2008
Posts: 174
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From: Western Pennsylvania
Trying to Stall
1998 F150 4.6 104,000 miles. Just recently, when going slow or ideling along. For example, I was ideling down a farm access rode watching the deer when my truck keeps ideling real low and almost stalling. It seems to do it alot when I am holding my brake and inching ahead.
It just started this and the check engine light is not on.
Any ideas what I should be looking at? Any help would be greatly appreciated
Bowdog
It just started this and the check engine light is not on.
Any ideas what I should be looking at? Any help would be greatly appreciated
Bowdog
Thread Starter
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Senior User
Joined: Jan 2008
Posts: 174
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From: Western Pennsylvania
You guys have any idea what a IAC Valve will cost? Do you have to go to the dealer to get one or will AutoZone sell one?
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Senior User
Joined: Jan 2008
Posts: 174
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From: Western Pennsylvania
Anyone Know weather you have to go to the dealership tp get an IAC Valve? Is there anyway that I can check to make sure that this is the culprit before shelling out the cash? If I do have to purchase from the stealership, how bad are they going to rob me?
Help me out guys
Bowdog
Help me out guys
Bowdog
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Joe Kucinski
Posting Guru
Joined: Oct 2005
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From: Louisville, Kentucky
You can get one either at the dealer or Autozone. There are a couple of site sponsors that are dealers that will discount Ford parts. Try FTEPartsGuy or DirectFordParts. Look under fuel system - fuel induction - fuel injection - idle speed control. About $73 for the genuine replacement part. Good luck! 
Hotshot
Joined: Jun 2003
Posts: 12,338
Likes: 4,349
From: SW VA
My truck also does this (especially when manuvering in a parking lot). I replaced my IAC first thing and it didn't help one bit ($62 at dealership). New plugs, wires, air filter....nothing helped. My truck DOES need a new fuel filter, which is laying in my floorboard, but I would suspect a vaccum line as next on the list...
Post Fiend
Joined: Oct 2004
Posts: 10,418
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From: SpringHill,Fl
check the pcv valve hose assembly
the rubber 90 at the back of the intake tends to dryrot
locate the pcv on the passenger side of the engine and follow the plastic tube up around the back of the engine
the rubber 90 at the back of the intake tends to dryrot
locate the pcv on the passenger side of the engine and follow the plastic tube up around the back of the engine
Junior User
Joined: Jul 2003
Posts: 74
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From: SoCal
Same problem with 03F150 4.6L V8 and the Check Engine light is staying On! I take the kids to Bus stop(Crewcab) and it will stall at idle ,but I'll check the previousn Threads ,BUT how bout Stalling with Check engine light?
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ksw390
1999 - 2016 Super Duty
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Mar 28, 2010 04:54 AM
