Up the Idle??
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Junior User
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Up the Idle??
This may be an easy request but it may not be. I am looking for a way to increase or up the idle on my 93 F150 V8 5L. Basically since it has turned colder it has started scaring me. When I first start up, it will run at a high idle for a couple minutes which it always has and I let it run it's course. The problem is when that 'choke' or high idle kicks out, it nearly stalls. I also notice it wanting to stall when I let off the gas when slowing down to turn a corner for example.
Is this something I can fix by adjusting the engine idle/rpm's or is that even possible. Any help would be great. 93cc
Is this something I can fix by adjusting the engine idle/rpm's or is that even possible. Any help would be great. 93cc
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How much of an involved process is this? Would it be stupid to take it to a garage to do this? I'm not much of a mechanic though I'm trying to learn. Where would I find the IAC? Sorry for all the stupid questions but I was told once that the only stupid question is the one you don't ask 
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From: Still under the hood in O
Originally Posted by 93candycane
but I was told once that the only stupid question is the one you don't ask
It's very easy.
The IAC is mounted on the drivers side of the TB. Looks like a small tube with a sensor connected.
Remove the connector. Unbolt IAC (two screws/bolts). Remove sensor from IAC (two scews). Then simply spray inside the valve with carb cleaner. I like to spay plenty inside and work the valve while it's full of cleaner. Shake it a little and let it soak an hour if really bad.
Reverse for assembly. Make SURE the gasket is present and in good condition.
If this takes care of the problem, even for a moment, plan on buying a new one.......soon as this is usually only a temp fix.
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What are the odds that I should just go ahead and buy a new one anyways? The truck is almost 12 years old and has about 185,000km/115,000 miles on it. There is a lot of work that has never been done to my truck and I'm not sure that maybe some of that is coming back to bite me.
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From: va
IAC bad?
I heard somewhere's try tapping on it to see if the idle goes up. Then you know you need to buy a new one.
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Posting Guru
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From: Still under the hood in O
That's only if it were completely out. It can still be bad but somewhat functional..........kind of the way I'm functional in the mornings.......
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From: va
Originally Posted by 90f150moneypit
That's only if it were completely out. It can still be bad but somewhat functional..........kind of the way I'm functional in the mornings.......