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Power Strokes
6.4 Aftermarket
Shaking at light throttle
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[QUOTE="madman1234509, post: 567685, member: 3910"] It started with the edge. They then bought a torque converter, egr delete with no gate and Spartan. They thought the converter was shot due to the edge not ramping tranny line pressure, hence the reason for buying the spartan. It sounds like it all started after it was flashed at ford. But the odd thing is my truck hasn't been flashed since I bought it 2 1/2 years ago. My truck and my other friends 6.4 have done it since Spartans last update when they offered all tunes to everyone. Maybe there are tables in the tuning that for some reason at that instance of vehicle speed/load/throttle position whatever it may be aren't jiving? I would not worry one bit about buying a Spartan tuner. I love mine and wouldn't be posting up if it weren't my friend asking for help. I drive around the problem and almost don't even notice it because I've gotten used to it. And it sounds like people with other programmers also have had the problem. Sucks to have a 30k+ vehicle and have to drive around a problem though. [/QUOTE]
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Shaking at light throttle
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