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Re: 6.4 High Idle Wiring
ZeroOne your right about the PCM controlling, but I remember reading on here several years ago a post that described the characteristics of the torque converter process, and the factors.
I haven't found it yet.
But I remember it had to do with where rpms were, what gear you were in and I was thinking one other thing.
Maybe constant speed for a certain period of time recognized by the PCM.
But I can't remember for sure. I do remember though that It locked up only in the higher gears like 3 and 4.
So when you slowed down and it shifted from 3 to 2 the torque converter would unlock and not lock back up until you entered into that gear higher gear again.
I know the PCM has a learning ability to learn your driving habits and shifting points based off of accelerator position, ect.
And it is designed to improve wear, keeping the tranny from gear hunting and also fuel economy.
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'08 F-350 Lariat CC Gold 4x4 Diesel
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