Cr*p Idle, IAC and Seafoam?
Hello all. Newb here.
Have Y2K with 4.6L engine. Increasingly frequent lousy / no idle on start and beyond. From reading here is seems likely that I have a bad / sticky IAC valve. I've also read that Seafoam may improve the idle situation. I'm not sure though that Seafoam could "unstick" my IAC, I just haven't seen that posted here. So, my question is: Would a seafoam treatment help my IAC or should I just pull the IAC and clean it separately? |
You have to pull it to clean or replace it.
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yeah pull it and probably just replace it. Then if you still want run the seafoam.
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Does seafoam require you to change the fuel filter after you run it? Some say yes, others no. Thinking about running it to try and helf some bogging just off idle.
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I'd say too that ya gotta clean seperate, but keep in mind it may be a yearly deal, so replacing it next year or so may be in the cards. They are usually over 100 bucks too. Never done the Seafoam thing, but have that done, or something similar too.
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i have a 2000 5.4 my iac was not working too hot so i took it off and cleaned it with seafoam deep creep..... same stuff just in a spray can. then i usually run a can in my gas every oil change (6000miles with mobile one) i also at the same time do it threw the vac line. i use brake booster one time and pcv the next. just remember to let it suck up very very slowly ... i use a cambel soup can cleaned and fill her up. it takes about 30 min to suck it all out at the pace i go. alot of holding the can but i have just turned 100k and no problems just plugs and fuel filters and other basic maint.
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Originally Posted by RaWarrior
Does seafoam require you to change the fuel filter after you run it? Some say yes, others no. Thinking about running it to try and helf some bogging just off idle.
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4.6's R known for fouling the throttle body, It's most likely more than just your IAC - You could suck up some Seafoam right from the can through you brake booster hose and tap on your IAC for a quick , but temporary fix. Hell, it only takes 15 minutes max to unbolt and clean right , then use WD40 on your IAC to free it up. I suggest keep Your Y2K healthy and just clean the frickin thing lol. This might help -
https://www.f150online.com/galleries...190&anum=10943 http://www.fordf150.net/howto/throttlebodyclean.php |
Originally Posted by jbrew
4.6's R known for fouling the throttle body, It's most likely more than just your IAC - You could suck up some Seafoam right from the can through you brake booster hose and tap on your IAC for a quick , but temporary fix. Hell, it only takes 15 minutes max to unbolt and clean right , then use WD40 on your IAC to free it up. I suggest keep Your Y2K healthy and just clean the frickin thing lol. This might help -
https://www.f150online.com/galleries...190&anum=10943 http://www.fordf150.net/howto/throttlebodyclean.php Is there a gasket on that sucker? I've searched all over (online) for IAC gaskets, seems a lot of users have changed them but where the heck do you get them from? |
Originally Posted by fredfillis
Tried the seafoam. Put a can in the full gas tank and 1/2 down the brake booster vacuum line. Truck is much, much better but problem not totally solved. I'll pull the IAC off over the weekend and give it a clean.
Is there a gasket on that sucker? I've searched all over (online) for IAC gaskets, seems a lot of users have changed them but where the heck do you get them from? Good Luck |
gasket easy $2.85 @ local dealer they keep plenty in stock
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Originally Posted by Amerimutt
gasket easy $2.85 @ local dealer they keep plenty in stock
LOL - Okay, you better go grab that gasket at the dealership , Oh, don't forget to get gas and sumo-brewski's k - Shoot.... I'll have her done- beer in hand watchin the game before he gets back. :devil: Hahaaaa, Ohhh, just kidding (kinda) - U don't need that stinking gasket ( : States getting upset today me thinks .. MyBad , NothinPersonal ....Hey! :beers: , I don't get to drink that often - |
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