Quote:
Originally Posted by RobbyMartin
There have been 2 good mechanics tell me that since these transmissions are electronically controlled that the issue could be in the tune. Since Bill wrote the stock tune for the truck to be a 5.4, could it be possible that something in the tune could be off? Maybe a difference in the 4r70w vs 4r100 part of the tune?
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The tune COULD be at fault, that's why you need to eliminate/isolate the probable cause. If you drive your truck at stock, and the problem persists, you know it's not the tune, and it's something you will have to get fixed.
But, if the problem disappears with no tune installed and surfaces only with a tune, then it IS the tune and Bill will have to work some magic.
Again though, a tune will not "fix" a malfunctioning truck. And, asking Bill to change his tune if the truck is at fault is likely to make the problem worse or even damage the transmission.
Please don't waste your time looking for the "easy way out". You've got to focus on the cause, not the symptoms.
- Jack