Quote:
Originally Posted by Wizard1183
Well, the Sierra is an excellent truck. I love it. Theres only one issue I have. AFM! Wtf were engineers thinking with this? It works when it wants to. Makes no sense. Up to 55mph it goes to V4 as long as you arent giving it gas or on cruise control. At 65 sometimes it goes on sometimes it doesnt. Its a shitty excuse to say you're saving gas. THey defintely need a manual mode. THis is my first AFM vehicle. Other than that, the truck is excellent. Quiet, comfortable,powerful and looks great!
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The AFM in my 2007 Silverado was the same way not to mention it was noisy and you could feel it. In the long run on the older 5.3 it lead to premature wear (lifters & valve springs) and other issues. I honestly thing the new engines and supposed "new technology" will just have it's own set of new problems.