4.6L V8 stalls at idle??? + other problems - F150online Forums



4.6L V8 stalls at idle??? + other problems

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  #1  
Old 05-07-2009, 10:06 PM
Jza
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4.6L V8 stalls at idle??? + other problems

Just picked up my '06 a few days ago.

Truck drove awesome for the first few days but tonight I wanted to clean off the battery terminals to see if I could get it to start up a little quicker.

I disconnected all the battery terminals and went for a drive, after putting in some fresh gas, the truck started stalling at idle. It did this 2-3 times and was fine for the rest of the night.

Did my disconnecting the battery cause a reset and the truck had to relearn idle?

Also, my anti-freeze/coolant is brownish/orange, is this a normal color? I'm used to seeing green.
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Old 05-07-2009, 10:48 PM
glc
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Quote:
Did my disconnecting the battery cause a reset and the truck had to relearn idle?
Yep.

Long life coolant is orange.
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Old 05-07-2009, 11:01 PM
Jza
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Originally Posted by glc View Post
Yep.

Long life coolant is orange.
Thanks!

The terminals on this truck were disgusting. Unfortunately it did not improve the start time, still takes 2-3 seconds of cranking to start up, definitely not as quick as my Honda but I'm not very worried. I have a snarling suspicion that this the original 2006 battery!
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Old 05-08-2009, 12:06 AM
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my 04 is doing the same thing, even after changing the fuelfilter im bringing it

to the dealer in the morning. someone on here told me to clean the throttle

body i just dont have any time to deal with it so i have yo pay for it.
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Old 05-08-2009, 12:10 AM
Jza
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Originally Posted by austin420 View Post
my 04 is doing the same thing, even after changing the fuelfilter im bringing it

to the dealer in the morning. someone on here told me to clean the throttle

body i just dont have any time to deal with it so i have yo pay for it.
Clogged fuel filter would have been my second best guess...

I believe it may also be caused by a vacuum leak as well as other things.
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  #6  
Old 05-08-2009, 09:36 AM
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Hey guys...9 out of 10 times it IS the throttlebody, when i first got my 04 screw, mine actually had to be replaced becuase it would stall at lights and run rough. Also, I am at 140k now and awhile back it caused a check engine light to come on and I cleaned it and it was pretty gunky, but after cleaning it, the truck runs fine! Hope this helps you out!
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Old 05-08-2009, 10:00 AM
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How exactly do throttle bodies get all nasty looking like I've seen on this site? Mines got 23000 miles on it and it still looks brand new.
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  #8  
Old 05-08-2009, 10:17 AM
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my 04 did the same thing it would stall out at idle. took it to my buddys shop when i was in mexico and we cleaned the throttle body and reset the computer and it hasnt done it since. but id change the fuel filter if you havnt i did mine my self and its not that bad.
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  #9  
Old 05-09-2009, 01:10 AM
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fuel filter change at 20,000? yes or no? oh and also TB clean out at that millage?
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